libxfs: move source files

Move all the source files that are shared with userspace into
libxfs/. This is done as one big chunk simpy to get it done
quickly

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 0 insertions, 2697 deletions

diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
deleted file mode 100644
index 127d96aba845..000000000000
--- a/fs/xfs/xfs_attr_leaf.c
+++ /dev/null
@@ -1,2697 +0,0 @@
-/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc.
- * Copyright (c) 2013 Red Hat, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_shared.h"
-#include "xfs_format.h"
-#include "xfs_log_format.h"
-#include "xfs_trans_resv.h"
-#include "xfs_bit.h"
-#include "xfs_sb.h"
-#include "xfs_ag.h"
-#include "xfs_mount.h"
-#include "xfs_da_format.h"
-#include "xfs_da_btree.h"
-#include "xfs_inode.h"
-#include "xfs_trans.h"
-#include "xfs_inode_item.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_bmap.h"
-#include "xfs_attr_sf.h"
-#include "xfs_attr_remote.h"
-#include "xfs_attr.h"
-#include "xfs_attr_leaf.h"
-#include "xfs_error.h"
-#include "xfs_trace.h"
-#include "xfs_buf_item.h"
-#include "xfs_cksum.h"
-#include "xfs_dinode.h"
-#include "xfs_dir2.h"
-
-
-/*
- * xfs_attr_leaf.c
- *
- * Routines to implement leaf blocks of attributes as Btrees of hashed names.
- */
-
-/*========================================================================
- * Function prototypes for the kernel.
- *========================================================================*/
-
-/*
- * Routines used for growing the Btree.
- */
-STATIC int xfs_attr3_leaf_create(struct xfs_da_args *args,
-				 xfs_dablk_t which_block, struct xfs_buf **bpp);
-STATIC int xfs_attr3_leaf_add_work(struct xfs_buf *leaf_buffer,
-				   struct xfs_attr3_icleaf_hdr *ichdr,
-				   struct xfs_da_args *args, int freemap_index);
-STATIC void xfs_attr3_leaf_compact(struct xfs_da_args *args,
-				   struct xfs_attr3_icleaf_hdr *ichdr,
-				   struct xfs_buf *leaf_buffer);
-STATIC void xfs_attr3_leaf_rebalance(xfs_da_state_t *state,
-						   xfs_da_state_blk_t *blk1,
-						   xfs_da_state_blk_t *blk2);
-STATIC int xfs_attr3_leaf_figure_balance(xfs_da_state_t *state,
-			xfs_da_state_blk_t *leaf_blk_1,
-			struct xfs_attr3_icleaf_hdr *ichdr1,
-			xfs_da_state_blk_t *leaf_blk_2,
-			struct xfs_attr3_icleaf_hdr *ichdr2,
-			int *number_entries_in_blk1,
-			int *number_usedbytes_in_blk1);
-
-/*
- * Utility routines.
- */
-STATIC void xfs_attr3_leaf_moveents(struct xfs_da_args *args,
-			struct xfs_attr_leafblock *src_leaf,
-			struct xfs_attr3_icleaf_hdr *src_ichdr, int src_start,
-			struct xfs_attr_leafblock *dst_leaf,
-			struct xfs_attr3_icleaf_hdr *dst_ichdr, int dst_start,
-			int move_count);
-STATIC int xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index);
-
-void
-xfs_attr3_leaf_hdr_from_disk(
-	struct xfs_attr3_icleaf_hdr	*to,
-	struct xfs_attr_leafblock	*from)
-{
-	int	i;
-
-	ASSERT(from->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC) ||
-	       from->hdr.info.magic == cpu_to_be16(XFS_ATTR3_LEAF_MAGIC));
-
-	if (from->hdr.info.magic == cpu_to_be16(XFS_ATTR3_LEAF_MAGIC)) {
-		struct xfs_attr3_leaf_hdr *hdr3 = (struct xfs_attr3_leaf_hdr *)from;
-
-		to->forw = be32_to_cpu(hdr3->info.hdr.forw);
-		to->back = be32_to_cpu(hdr3->info.hdr.back);
-		to->magic = be16_to_cpu(hdr3->info.hdr.magic);
-		to->count = be16_to_cpu(hdr3->count);
-		to->usedbytes = be16_to_cpu(hdr3->usedbytes);
-		to->firstused = be16_to_cpu(hdr3->firstused);
-		to->holes = hdr3->holes;
-
-		for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
-			to->freemap[i].base = be16_to_cpu(hdr3->freemap[i].base);
-			to->freemap[i].size = be16_to_cpu(hdr3->freemap[i].size);
-		}
-		return;
-	}
-	to->forw = be32_to_cpu(from->hdr.info.forw);
-	to->back = be32_to_cpu(from->hdr.info.back);
-	to->magic = be16_to_cpu(from->hdr.info.magic);
-	to->count = be16_to_cpu(from->hdr.count);
-	to->usedbytes = be16_to_cpu(from->hdr.usedbytes);
-	to->firstused = be16_to_cpu(from->hdr.firstused);
-	to->holes = from->hdr.holes;
-
-	for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
-		to->freemap[i].base = be16_to_cpu(from->hdr.freemap[i].base);
-		to->freemap[i].size = be16_to_cpu(from->hdr.freemap[i].size);
-	}
-}
-
-void
-xfs_attr3_leaf_hdr_to_disk(
-	struct xfs_attr_leafblock	*to,
-	struct xfs_attr3_icleaf_hdr	*from)
-{
-	int	i;
-
-	ASSERT(from->magic == XFS_ATTR_LEAF_MAGIC ||
-	       from->magic == XFS_ATTR3_LEAF_MAGIC);
-
-	if (from->magic == XFS_ATTR3_LEAF_MAGIC) {
-		struct xfs_attr3_leaf_hdr *hdr3 = (struct xfs_attr3_leaf_hdr *)to;
-
-		hdr3->info.hdr.forw = cpu_to_be32(from->forw);
-		hdr3->info.hdr.back = cpu_to_be32(from->back);
-		hdr3->info.hdr.magic = cpu_to_be16(from->magic);
-		hdr3->count = cpu_to_be16(from->count);
-		hdr3->usedbytes = cpu_to_be16(from->usedbytes);
-		hdr3->firstused = cpu_to_be16(from->firstused);
-		hdr3->holes = from->holes;
-		hdr3->pad1 = 0;
-
-		for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
-			hdr3->freemap[i].base = cpu_to_be16(from->freemap[i].base);
-			hdr3->freemap[i].size = cpu_to_be16(from->freemap[i].size);
-		}
-		return;
-	}
-	to->hdr.info.forw = cpu_to_be32(from->forw);
-	to->hdr.info.back = cpu_to_be32(from->back);
-	to->hdr.info.magic = cpu_to_be16(from->magic);
-	to->hdr.count = cpu_to_be16(from->count);
-	to->hdr.usedbytes = cpu_to_be16(from->usedbytes);
-	to->hdr.firstused = cpu_to_be16(from->firstused);
-	to->hdr.holes = from->holes;
-	to->hdr.pad1 = 0;
-
-	for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
-		to->hdr.freemap[i].base = cpu_to_be16(from->freemap[i].base);
-		to->hdr.freemap[i].size = cpu_to_be16(from->freemap[i].size);
-	}
-}
-
-static bool
-xfs_attr3_leaf_verify(
-	struct xfs_buf		*bp)
-{
-	struct xfs_mount	*mp = bp->b_target->bt_mount;
-	struct xfs_attr_leafblock *leaf = bp->b_addr;
-	struct xfs_attr3_icleaf_hdr ichdr;
-
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-
-	if (xfs_sb_version_hascrc(&mp->m_sb)) {
-		struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
-
-		if (ichdr.magic != XFS_ATTR3_LEAF_MAGIC)
-			return false;
-
-		if (!uuid_equal(&hdr3->info.uuid, &mp->m_sb.sb_uuid))
-			return false;
-		if (be64_to_cpu(hdr3->info.blkno) != bp->b_bn)
-			return false;
-	} else {
-		if (ichdr.magic != XFS_ATTR_LEAF_MAGIC)
-			return false;
-	}
-	if (ichdr.count == 0)
-		return false;
-
-	/* XXX: need to range check rest of attr header values */
-	/* XXX: hash order check? */
-
-	return true;
-}
-
-static void
-xfs_attr3_leaf_write_verify(
-	struct xfs_buf	*bp)
-{
-	struct xfs_mount	*mp = bp->b_target->bt_mount;
-	struct xfs_buf_log_item	*bip = bp->b_fspriv;
-	struct xfs_attr3_leaf_hdr *hdr3 = bp->b_addr;
-
-	if (!xfs_attr3_leaf_verify(bp)) {
-		xfs_buf_ioerror(bp, EFSCORRUPTED);
-		xfs_verifier_error(bp);
-		return;
-	}
-
-	if (!xfs_sb_version_hascrc(&mp->m_sb))
-		return;
-
-	if (bip)
-		hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
-
-	xfs_buf_update_cksum(bp, XFS_ATTR3_LEAF_CRC_OFF);
-}
-
-/*
- * leaf/node format detection on trees is sketchy, so a node read can be done on
- * leaf level blocks when detection identifies the tree as a node format tree
- * incorrectly. In this case, we need to swap the verifier to match the correct
- * format of the block being read.
- */
-static void
-xfs_attr3_leaf_read_verify(
-	struct xfs_buf		*bp)
-{
-	struct xfs_mount	*mp = bp->b_target->bt_mount;
-
-	if (xfs_sb_version_hascrc(&mp->m_sb) &&
-	     !xfs_buf_verify_cksum(bp, XFS_ATTR3_LEAF_CRC_OFF))
-		xfs_buf_ioerror(bp, EFSBADCRC);
-	else if (!xfs_attr3_leaf_verify(bp))
-		xfs_buf_ioerror(bp, EFSCORRUPTED);
-
-	if (bp->b_error)
-		xfs_verifier_error(bp);
-}
-
-const struct xfs_buf_ops xfs_attr3_leaf_buf_ops = {
-	.verify_read = xfs_attr3_leaf_read_verify,
-	.verify_write = xfs_attr3_leaf_write_verify,
-};
-
-int
-xfs_attr3_leaf_read(
-	struct xfs_trans	*tp,
-	struct xfs_inode	*dp,
-	xfs_dablk_t		bno,
-	xfs_daddr_t		mappedbno,
-	struct xfs_buf		**bpp)
-{
-	int			err;
-
-	err = xfs_da_read_buf(tp, dp, bno, mappedbno, bpp,
-				XFS_ATTR_FORK, &xfs_attr3_leaf_buf_ops);
-	if (!err && tp)
-		xfs_trans_buf_set_type(tp, *bpp, XFS_BLFT_ATTR_LEAF_BUF);
-	return err;
-}
-
-/*========================================================================
- * Namespace helper routines
- *========================================================================*/
-
-/*
- * If namespace bits don't match return 0.
- * If all match then return 1.
- */
-STATIC int
-xfs_attr_namesp_match(int arg_flags, int ondisk_flags)
-{
-	return XFS_ATTR_NSP_ONDISK(ondisk_flags) == XFS_ATTR_NSP_ARGS_TO_ONDISK(arg_flags);
-}
-
-
-/*========================================================================
- * External routines when attribute fork size < XFS_LITINO(mp).
- *========================================================================*/
-
-/*
- * Query whether the requested number of additional bytes of extended
- * attribute space will be able to fit inline.
- *
- * Returns zero if not, else the di_forkoff fork offset to be used in the
- * literal area for attribute data once the new bytes have been added.
- *
- * di_forkoff must be 8 byte aligned, hence is stored as a >>3 value;
- * special case for dev/uuid inodes, they have fixed size data forks.
- */
-int
-xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
-{
-	int offset;
-	int minforkoff;	/* lower limit on valid forkoff locations */
-	int maxforkoff;	/* upper limit on valid forkoff locations */
-	int dsize;
-	xfs_mount_t *mp = dp->i_mount;
-
-	/* rounded down */
-	offset = (XFS_LITINO(mp, dp->i_d.di_version) - bytes) >> 3;
-
-	switch (dp->i_d.di_format) {
-	case XFS_DINODE_FMT_DEV:
-		minforkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
-		return (offset >= minforkoff) ? minforkoff : 0;
-	case XFS_DINODE_FMT_UUID:
-		minforkoff = roundup(sizeof(uuid_t), 8) >> 3;
-		return (offset >= minforkoff) ? minforkoff : 0;
-	}
-
-	/*
-	 * If the requested numbers of bytes is smaller or equal to the
-	 * current attribute fork size we can always proceed.
-	 *
-	 * Note that if_bytes in the data fork might actually be larger than
-	 * the current data fork size is due to delalloc extents. In that
-	 * case either the extent count will go down when they are converted
-	 * to real extents, or the delalloc conversion will take care of the
-	 * literal area rebalancing.
-	 */
-	if (bytes <= XFS_IFORK_ASIZE(dp))
-		return dp->i_d.di_forkoff;
-
-	/*
-	 * For attr2 we can try to move the forkoff if there is space in the
-	 * literal area, but for the old format we are done if there is no
-	 * space in the fixed attribute fork.
-	 */
-	if (!(mp->m_flags & XFS_MOUNT_ATTR2))
-		return 0;
-
-	dsize = dp->i_df.if_bytes;
-
-	switch (dp->i_d.di_format) {
-	case XFS_DINODE_FMT_EXTENTS:
-		/*
-		 * If there is no attr fork and the data fork is extents, 
-		 * determine if creating the default attr fork will result
-		 * in the extents form migrating to btree. If so, the
-		 * minimum offset only needs to be the space required for
-		 * the btree root.
-		 */
-		if (!dp->i_d.di_forkoff && dp->i_df.if_bytes >
-		    xfs_default_attroffset(dp))
-			dsize = XFS_BMDR_SPACE_CALC(MINDBTPTRS);
-		break;
-	case XFS_DINODE_FMT_BTREE:
-		/*
-		 * If we have a data btree then keep forkoff if we have one,
-		 * otherwise we are adding a new attr, so then we set
-		 * minforkoff to where the btree root can finish so we have
-		 * plenty of room for attrs
-		 */
-		if (dp->i_d.di_forkoff) {
-			if (offset < dp->i_d.di_forkoff)
-				return 0;
-			return dp->i_d.di_forkoff;
-		}
-		dsize = XFS_BMAP_BROOT_SPACE(mp, dp->i_df.if_broot);
-		break;
-	}
-
-	/*
-	 * A data fork btree root must have space for at least
-	 * MINDBTPTRS key/ptr pairs if the data fork is small or empty.
-	 */
-	minforkoff = MAX(dsize, XFS_BMDR_SPACE_CALC(MINDBTPTRS));
-	minforkoff = roundup(minforkoff, 8) >> 3;
-
-	/* attr fork btree root can have at least this many key/ptr pairs */
-	maxforkoff = XFS_LITINO(mp, dp->i_d.di_version) -
-			XFS_BMDR_SPACE_CALC(MINABTPTRS);
-	maxforkoff = maxforkoff >> 3;	/* rounded down */
-
-	if (offset >= maxforkoff)
-		return maxforkoff;
-	if (offset >= minforkoff)
-		return offset;
-	return 0;
-}
-
-/*
- * Switch on the ATTR2 superblock bit (implies also FEATURES2)
- */
-STATIC void
-xfs_sbversion_add_attr2(xfs_mount_t *mp, xfs_trans_t *tp)
-{
-	if ((mp->m_flags & XFS_MOUNT_ATTR2) &&
-	    !(xfs_sb_version_hasattr2(&mp->m_sb))) {
-		spin_lock(&mp->m_sb_lock);
-		if (!xfs_sb_version_hasattr2(&mp->m_sb)) {
-			xfs_sb_version_addattr2(&mp->m_sb);
-			spin_unlock(&mp->m_sb_lock);
-			xfs_mod_sb(tp, XFS_SB_VERSIONNUM | XFS_SB_FEATURES2);
-		} else
-			spin_unlock(&mp->m_sb_lock);
-	}
-}
-
-/*
- * Create the initial contents of a shortform attribute list.
- */
-void
-xfs_attr_shortform_create(xfs_da_args_t *args)
-{
-	xfs_attr_sf_hdr_t *hdr;
-	xfs_inode_t *dp;
-	xfs_ifork_t *ifp;
-
-	trace_xfs_attr_sf_create(args);
-
-	dp = args->dp;
-	ASSERT(dp != NULL);
-	ifp = dp->i_afp;
-	ASSERT(ifp != NULL);
-	ASSERT(ifp->if_bytes == 0);
-	if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS) {
-		ifp->if_flags &= ~XFS_IFEXTENTS;	/* just in case */
-		dp->i_d.di_aformat = XFS_DINODE_FMT_LOCAL;
-		ifp->if_flags |= XFS_IFINLINE;
-	} else {
-		ASSERT(ifp->if_flags & XFS_IFINLINE);
-	}
-	xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK);
-	hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data;
-	hdr->count = 0;
-	hdr->totsize = cpu_to_be16(sizeof(*hdr));
-	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA);
-}
-
-/*
- * Add a name/value pair to the shortform attribute list.
- * Overflow from the inode has already been checked for.
- */
-void
-xfs_attr_shortform_add(xfs_da_args_t *args, int forkoff)
-{
-	xfs_attr_shortform_t *sf;
-	xfs_attr_sf_entry_t *sfe;
-	int i, offset, size;
-	xfs_mount_t *mp;
-	xfs_inode_t *dp;
-	xfs_ifork_t *ifp;
-
-	trace_xfs_attr_sf_add(args);
-
-	dp = args->dp;
-	mp = dp->i_mount;
-	dp->i_d.di_forkoff = forkoff;
-
-	ifp = dp->i_afp;
-	ASSERT(ifp->if_flags & XFS_IFINLINE);
-	sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data;
-	sfe = &sf->list[0];
-	for (i = 0; i < sf->hdr.count; sfe = XFS_ATTR_SF_NEXTENTRY(sfe), i++) {
-#ifdef DEBUG
-		if (sfe->namelen != args->namelen)
-			continue;
-		if (memcmp(args->name, sfe->nameval, args->namelen) != 0)
-			continue;
-		if (!xfs_attr_namesp_match(args->flags, sfe->flags))
-			continue;
-		ASSERT(0);
-#endif
-	}
-
-	offset = (char *)sfe - (char *)sf;
-	size = XFS_ATTR_SF_ENTSIZE_BYNAME(args->namelen, args->valuelen);
-	xfs_idata_realloc(dp, size, XFS_ATTR_FORK);
-	sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data;
-	sfe = (xfs_attr_sf_entry_t *)((char *)sf + offset);
-
-	sfe->namelen = args->namelen;
-	sfe->valuelen = args->valuelen;
-	sfe->flags = XFS_ATTR_NSP_ARGS_TO_ONDISK(args->flags);
-	memcpy(sfe->nameval, args->name, args->namelen);
-	memcpy(&sfe->nameval[args->namelen], args->value, args->valuelen);
-	sf->hdr.count++;
-	be16_add_cpu(&sf->hdr.totsize, size);
-	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA);
-
-	xfs_sbversion_add_attr2(mp, args->trans);
-}
-
-/*
- * After the last attribute is removed revert to original inode format,
- * making all literal area available to the data fork once more.
- */
-STATIC void
-xfs_attr_fork_reset(
-	struct xfs_inode	*ip,
-	struct xfs_trans	*tp)
-{
-	xfs_idestroy_fork(ip, XFS_ATTR_FORK);
-	ip->i_d.di_forkoff = 0;
-	ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
-
-	ASSERT(ip->i_d.di_anextents == 0);
-	ASSERT(ip->i_afp == NULL);
-
-	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-}
-
-/*
- * Remove an attribute from the shortform attribute list structure.
- */
-int
-xfs_attr_shortform_remove(xfs_da_args_t *args)
-{
-	xfs_attr_shortform_t *sf;
-	xfs_attr_sf_entry_t *sfe;
-	int base, size=0, end, totsize, i;
-	xfs_mount_t *mp;
-	xfs_inode_t *dp;
-
-	trace_xfs_attr_sf_remove(args);
-
-	dp = args->dp;
-	mp = dp->i_mount;
-	base = sizeof(xfs_attr_sf_hdr_t);
-	sf = (xfs_attr_shortform_t *)dp->i_afp->if_u1.if_data;
-	sfe = &sf->list[0];
-	end = sf->hdr.count;
-	for (i = 0; i < end; sfe = XFS_ATTR_SF_NEXTENTRY(sfe),
-					base += size, i++) {
-		size = XFS_ATTR_SF_ENTSIZE(sfe);
-		if (sfe->namelen != args->namelen)
-			continue;
-		if (memcmp(sfe->nameval, args->name, args->namelen) != 0)
-			continue;
-		if (!xfs_attr_namesp_match(args->flags, sfe->flags))
-			continue;
-		break;
-	}
-	if (i == end)
-		return ENOATTR;
-
-	/*
-	 * Fix up the attribute fork data, covering the hole
-	 */
-	end = base + size;
-	totsize = be16_to_cpu(sf->hdr.totsize);
-	if (end != totsize)
-		memmove(&((char *)sf)[base], &((char *)sf)[end], totsize - end);
-	sf->hdr.count--;
-	be16_add_cpu(&sf->hdr.totsize, -size);
-
-	/*
-	 * Fix up the start offset of the attribute fork
-	 */
-	totsize -= size;
-	if (totsize == sizeof(xfs_attr_sf_hdr_t) &&
-	    (mp->m_flags & XFS_MOUNT_ATTR2) &&
-	    (dp->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
-	    !(args->op_flags & XFS_DA_OP_ADDNAME)) {
-		xfs_attr_fork_reset(dp, args->trans);
-	} else {
-		xfs_idata_realloc(dp, -size, XFS_ATTR_FORK);
-		dp->i_d.di_forkoff = xfs_attr_shortform_bytesfit(dp, totsize);
-		ASSERT(dp->i_d.di_forkoff);
-		ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) ||
-				(args->op_flags & XFS_DA_OP_ADDNAME) ||
-				!(mp->m_flags & XFS_MOUNT_ATTR2) ||
-				dp->i_d.di_format == XFS_DINODE_FMT_BTREE);
-		xfs_trans_log_inode(args->trans, dp,
-					XFS_ILOG_CORE | XFS_ILOG_ADATA);
-	}
-
-	xfs_sbversion_add_attr2(mp, args->trans);
-
-	return 0;
-}
-
-/*
- * Look up a name in a shortform attribute list structure.
- */
-/*ARGSUSED*/
-int
-xfs_attr_shortform_lookup(xfs_da_args_t *args)
-{
-	xfs_attr_shortform_t *sf;
-	xfs_attr_sf_entry_t *sfe;
-	int i;
-	xfs_ifork_t *ifp;
-
-	trace_xfs_attr_sf_lookup(args);
-
-	ifp = args->dp->i_afp;
-	ASSERT(ifp->if_flags & XFS_IFINLINE);
-	sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data;
-	sfe = &sf->list[0];
-	for (i = 0; i < sf->hdr.count;
-				sfe = XFS_ATTR_SF_NEXTENTRY(sfe), i++) {
-		if (sfe->namelen != args->namelen)
-			continue;
-		if (memcmp(args->name, sfe->nameval, args->namelen) != 0)
-			continue;
-		if (!xfs_attr_namesp_match(args->flags, sfe->flags))
-			continue;
-		return EEXIST;
-	}
-	return ENOATTR;
-}
-
-/*
- * Look up a name in a shortform attribute list structure.
- */
-/*ARGSUSED*/
-int
-xfs_attr_shortform_getvalue(xfs_da_args_t *args)
-{
-	xfs_attr_shortform_t *sf;
-	xfs_attr_sf_entry_t *sfe;
-	int i;
-
-	ASSERT(args->dp->i_afp->if_flags == XFS_IFINLINE);
-	sf = (xfs_attr_shortform_t *)args->dp->i_afp->if_u1.if_data;
-	sfe = &sf->list[0];
-	for (i = 0; i < sf->hdr.count;
-				sfe = XFS_ATTR_SF_NEXTENTRY(sfe), i++) {
-		if (sfe->namelen != args->namelen)
-			continue;
-		if (memcmp(args->name, sfe->nameval, args->namelen) != 0)
-			continue;
-		if (!xfs_attr_namesp_match(args->flags, sfe->flags))
-			continue;
-		if (args->flags & ATTR_KERNOVAL) {
-			args->valuelen = sfe->valuelen;
-			return EEXIST;
-		}
-		if (args->valuelen < sfe->valuelen) {
-			args->valuelen = sfe->valuelen;
-			return ERANGE;
-		}
-		args->valuelen = sfe->valuelen;
-		memcpy(args->value, &sfe->nameval[args->namelen],
-						    args->valuelen);
-		return EEXIST;
-	}
-	return ENOATTR;
-}
-
-/*
- * Convert from using the shortform to the leaf.
- */
-int
-xfs_attr_shortform_to_leaf(xfs_da_args_t *args)
-{
-	xfs_inode_t *dp;
-	xfs_attr_shortform_t *sf;
-	xfs_attr_sf_entry_t *sfe;
-	xfs_da_args_t nargs;
-	char *tmpbuffer;
-	int error, i, size;
-	xfs_dablk_t blkno;
-	struct xfs_buf *bp;
-	xfs_ifork_t *ifp;
-
-	trace_xfs_attr_sf_to_leaf(args);
-
-	dp = args->dp;
-	ifp = dp->i_afp;
-	sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data;
-	size = be16_to_cpu(sf->hdr.totsize);
-	tmpbuffer = kmem_alloc(size, KM_SLEEP);
-	ASSERT(tmpbuffer != NULL);
-	memcpy(tmpbuffer, ifp->if_u1.if_data, size);
-	sf = (xfs_attr_shortform_t *)tmpbuffer;
-
-	xfs_idata_realloc(dp, -size, XFS_ATTR_FORK);
-	xfs_bmap_local_to_extents_empty(dp, XFS_ATTR_FORK);
-
-	bp = NULL;
-	error = xfs_da_grow_inode(args, &blkno);
-	if (error) {
-		/*
-		 * If we hit an IO error middle of the transaction inside
-		 * grow_inode(), we may have inconsistent data. Bail out.
-		 */
-		if (error == EIO)
-			goto out;
-		xfs_idata_realloc(dp, size, XFS_ATTR_FORK);	/* try to put */
-		memcpy(ifp->if_u1.if_data, tmpbuffer, size);	/* it back */
-		goto out;
-	}
-
-	ASSERT(blkno == 0);
-	error = xfs_attr3_leaf_create(args, blkno, &bp);
-	if (error) {
-		error = xfs_da_shrink_inode(args, 0, bp);
-		bp = NULL;
-		if (error)
-			goto out;
-		xfs_idata_realloc(dp, size, XFS_ATTR_FORK);	/* try to put */
-		memcpy(ifp->if_u1.if_data, tmpbuffer, size);	/* it back */
-		goto out;
-	}
-
-	memset((char *)&nargs, 0, sizeof(nargs));
-	nargs.dp = dp;
-	nargs.geo = args->geo;
-	nargs.firstblock = args->firstblock;
-	nargs.flist = args->flist;
-	nargs.total = args->total;
-	nargs.whichfork = XFS_ATTR_FORK;
-	nargs.trans = args->trans;
-	nargs.op_flags = XFS_DA_OP_OKNOENT;
-
-	sfe = &sf->list[0];
-	for (i = 0; i < sf->hdr.count; i++) {
-		nargs.name = sfe->nameval;
-		nargs.namelen = sfe->namelen;
-		nargs.value = &sfe->nameval[nargs.namelen];
-		nargs.valuelen = sfe->valuelen;
-		nargs.hashval = xfs_da_hashname(sfe->nameval,
-						sfe->namelen);
-		nargs.flags = XFS_ATTR_NSP_ONDISK_TO_ARGS(sfe->flags);
-		error = xfs_attr3_leaf_lookup_int(bp, &nargs); /* set a->index */
-		ASSERT(error == ENOATTR);
-		error = xfs_attr3_leaf_add(bp, &nargs);
-		ASSERT(error != ENOSPC);
-		if (error)
-			goto out;
-		sfe = XFS_ATTR_SF_NEXTENTRY(sfe);
-	}
-	error = 0;
-
-out:
-	kmem_free(tmpbuffer);
-	return error;
-}
-
-/*
- * Check a leaf attribute block to see if all the entries would fit into
- * a shortform attribute list.
- */
-int
-xfs_attr_shortform_allfit(
-	struct xfs_buf		*bp,
-	struct xfs_inode	*dp)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr_leaf_entry *entry;
-	xfs_attr_leaf_name_local_t *name_loc;
-	struct xfs_attr3_icleaf_hdr leafhdr;
-	int			bytes;
-	int			i;
-
-	leaf = bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf);
-	entry = xfs_attr3_leaf_entryp(leaf);
-
-	bytes = sizeof(struct xfs_attr_sf_hdr);
-	for (i = 0; i < leafhdr.count; entry++, i++) {
-		if (entry->flags & XFS_ATTR_INCOMPLETE)
-			continue;		/* don't copy partial entries */
-		if (!(entry->flags & XFS_ATTR_LOCAL))
-			return 0;
-		name_loc = xfs_attr3_leaf_name_local(leaf, i);
-		if (name_loc->namelen >= XFS_ATTR_SF_ENTSIZE_MAX)
-			return 0;
-		if (be16_to_cpu(name_loc->valuelen) >= XFS_ATTR_SF_ENTSIZE_MAX)
-			return 0;
-		bytes += sizeof(struct xfs_attr_sf_entry) - 1
-				+ name_loc->namelen
-				+ be16_to_cpu(name_loc->valuelen);
-	}
-	if ((dp->i_mount->m_flags & XFS_MOUNT_ATTR2) &&
-	    (dp->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
-	    (bytes == sizeof(struct xfs_attr_sf_hdr)))
-		return -1;
-	return xfs_attr_shortform_bytesfit(dp, bytes);
-}
-
-/*
- * Convert a leaf attribute list to shortform attribute list
- */
-int
-xfs_attr3_leaf_to_shortform(
-	struct xfs_buf		*bp,
-	struct xfs_da_args	*args,
-	int			forkoff)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_attr_leaf_entry *entry;
-	struct xfs_attr_leaf_name_local *name_loc;
-	struct xfs_da_args	nargs;
-	struct xfs_inode	*dp = args->dp;
-	char			*tmpbuffer;
-	int			error;
-	int			i;
-
-	trace_xfs_attr_leaf_to_sf(args);
-
-	tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
-	if (!tmpbuffer)
-		return ENOMEM;
-
-	memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
-
-	leaf = (xfs_attr_leafblock_t *)tmpbuffer;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	entry = xfs_attr3_leaf_entryp(leaf);
-
-	/* XXX (dgc): buffer is about to be marked stale - why zero it? */
-	memset(bp->b_addr, 0, args->geo->blksize);
-
-	/*
-	 * Clean out the prior contents of the attribute list.
-	 */
-	error = xfs_da_shrink_inode(args, 0, bp);
-	if (error)
-		goto out;
-
-	if (forkoff == -1) {
-		ASSERT(dp->i_mount->m_flags & XFS_MOUNT_ATTR2);
-		ASSERT(dp->i_d.di_format != XFS_DINODE_FMT_BTREE);
-		xfs_attr_fork_reset(dp, args->trans);
-		goto out;
-	}
-
-	xfs_attr_shortform_create(args);
-
-	/*
-	 * Copy the attributes
-	 */
-	memset((char *)&nargs, 0, sizeof(nargs));
-	nargs.geo = args->geo;
-	nargs.dp = dp;
-	nargs.firstblock = args->firstblock;
-	nargs.flist = args->flist;
-	nargs.total = args->total;
-	nargs.whichfork = XFS_ATTR_FORK;
-	nargs.trans = args->trans;
-	nargs.op_flags = XFS_DA_OP_OKNOENT;
-
-	for (i = 0; i < ichdr.count; entry++, i++) {
-		if (entry->flags & XFS_ATTR_INCOMPLETE)
-			continue;	/* don't copy partial entries */
-		if (!entry->nameidx)
-			continue;
-		ASSERT(entry->flags & XFS_ATTR_LOCAL);
-		name_loc = xfs_attr3_leaf_name_local(leaf, i);
-		nargs.name = name_loc->nameval;
-		nargs.namelen = name_loc->namelen;
-		nargs.value = &name_loc->nameval[nargs.namelen];
-		nargs.valuelen = be16_to_cpu(name_loc->valuelen);
-		nargs.hashval = be32_to_cpu(entry->hashval);
-		nargs.flags = XFS_ATTR_NSP_ONDISK_TO_ARGS(entry->flags);
-		xfs_attr_shortform_add(&nargs, forkoff);
-	}
-	error = 0;
-
-out:
-	kmem_free(tmpbuffer);
-	return error;
-}
-
-/*
- * Convert from using a single leaf to a root node and a leaf.
- */
-int
-xfs_attr3_leaf_to_node(
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr icleafhdr;
-	struct xfs_attr_leaf_entry *entries;
-	struct xfs_da_node_entry *btree;
-	struct xfs_da3_icnode_hdr icnodehdr;
-	struct xfs_da_intnode	*node;
-	struct xfs_inode	*dp = args->dp;
-	struct xfs_mount	*mp = dp->i_mount;
-	struct xfs_buf		*bp1 = NULL;
-	struct xfs_buf		*bp2 = NULL;
-	xfs_dablk_t		blkno;
-	int			error;
-
-	trace_xfs_attr_leaf_to_node(args);
-
-	error = xfs_da_grow_inode(args, &blkno);
-	if (error)
-		goto out;
-	error = xfs_attr3_leaf_read(args->trans, dp, 0, -1, &bp1);
-	if (error)
-		goto out;
-
-	error = xfs_da_get_buf(args->trans, dp, blkno, -1, &bp2, XFS_ATTR_FORK);
-	if (error)
-		goto out;
-
-	/* copy leaf to new buffer, update identifiers */
-	xfs_trans_buf_set_type(args->trans, bp2, XFS_BLFT_ATTR_LEAF_BUF);
-	bp2->b_ops = bp1->b_ops;
-	memcpy(bp2->b_addr, bp1->b_addr, args->geo->blksize);
-	if (xfs_sb_version_hascrc(&mp->m_sb)) {
-		struct xfs_da3_blkinfo *hdr3 = bp2->b_addr;
-		hdr3->blkno = cpu_to_be64(bp2->b_bn);
-	}
-	xfs_trans_log_buf(args->trans, bp2, 0, args->geo->blksize - 1);
-
-	/*
-	 * Set up the new root node.
-	 */
-	error = xfs_da3_node_create(args, 0, 1, &bp1, XFS_ATTR_FORK);
-	if (error)
-		goto out;
-	node = bp1->b_addr;
-	dp->d_ops->node_hdr_from_disk(&icnodehdr, node);
-	btree = dp->d_ops->node_tree_p(node);
-
-	leaf = bp2->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&icleafhdr, leaf);
-	entries = xfs_attr3_leaf_entryp(leaf);
-
-	/* both on-disk, don't endian-flip twice */
-	btree[0].hashval = entries[icleafhdr.count - 1].hashval;
-	btree[0].before = cpu_to_be32(blkno);
-	icnodehdr.count = 1;
-	dp->d_ops->node_hdr_to_disk(node, &icnodehdr);
-	xfs_trans_log_buf(args->trans, bp1, 0, args->geo->blksize - 1);
-	error = 0;
-out:
-	return error;
-}
-
-/*========================================================================
- * Routines used for growing the Btree.
- *========================================================================*/
-
-/*
- * Create the initial contents of a leaf attribute list
- * or a leaf in a node attribute list.
- */
-STATIC int
-xfs_attr3_leaf_create(
-	struct xfs_da_args	*args,
-	xfs_dablk_t		blkno,
-	struct xfs_buf		**bpp)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_inode	*dp = args->dp;
-	struct xfs_mount	*mp = dp->i_mount;
-	struct xfs_buf		*bp;
-	int			error;
-
-	trace_xfs_attr_leaf_create(args);
-
-	error = xfs_da_get_buf(args->trans, args->dp, blkno, -1, &bp,
-					    XFS_ATTR_FORK);
-	if (error)
-		return error;
-	bp->b_ops = &xfs_attr3_leaf_buf_ops;
-	xfs_trans_buf_set_type(args->trans, bp, XFS_BLFT_ATTR_LEAF_BUF);
-	leaf = bp->b_addr;
-	memset(leaf, 0, args->geo->blksize);
-
-	memset(&ichdr, 0, sizeof(ichdr));
-	ichdr.firstused = args->geo->blksize;
-
-	if (xfs_sb_version_hascrc(&mp->m_sb)) {
-		struct xfs_da3_blkinfo *hdr3 = bp->b_addr;
-
-		ichdr.magic = XFS_ATTR3_LEAF_MAGIC;
-
-		hdr3->blkno = cpu_to_be64(bp->b_bn);
-		hdr3->owner = cpu_to_be64(dp->i_ino);
-		uuid_copy(&hdr3->uuid, &mp->m_sb.sb_uuid);
-
-		ichdr.freemap[0].base = sizeof(struct xfs_attr3_leaf_hdr);
-	} else {
-		ichdr.magic = XFS_ATTR_LEAF_MAGIC;
-		ichdr.freemap[0].base = sizeof(struct xfs_attr_leaf_hdr);
-	}
-	ichdr.freemap[0].size = ichdr.firstused - ichdr.freemap[0].base;
-
-	xfs_attr3_leaf_hdr_to_disk(leaf, &ichdr);
-	xfs_trans_log_buf(args->trans, bp, 0, args->geo->blksize - 1);
-
-	*bpp = bp;
-	return 0;
-}
-
-/*
- * Split the leaf node, rebalance, then add the new entry.
- */
-int
-xfs_attr3_leaf_split(
-	struct xfs_da_state	*state,
-	struct xfs_da_state_blk	*oldblk,
-	struct xfs_da_state_blk	*newblk)
-{
-	xfs_dablk_t blkno;
-	int error;
-
-	trace_xfs_attr_leaf_split(state->args);
-
-	/*
-	 * Allocate space for a new leaf node.
-	 */
-	ASSERT(oldblk->magic == XFS_ATTR_LEAF_MAGIC);
-	error = xfs_da_grow_inode(state->args, &blkno);
-	if (error)
-		return error;
-	error = xfs_attr3_leaf_create(state->args, blkno, &newblk->bp);
-	if (error)
-		return error;
-	newblk->blkno = blkno;
-	newblk->magic = XFS_ATTR_LEAF_MAGIC;
-
-	/*
-	 * Rebalance the entries across the two leaves.
-	 * NOTE: rebalance() currently depends on the 2nd block being empty.
-	 */
-	xfs_attr3_leaf_rebalance(state, oldblk, newblk);
-	error = xfs_da3_blk_link(state, oldblk, newblk);
-	if (error)
-		return error;
-
-	/*
-	 * Save info on "old" attribute for "atomic rename" ops, leaf_add()
-	 * modifies the index/blkno/rmtblk/rmtblkcnt fields to show the
-	 * "new" attrs info.  Will need the "old" info to remove it later.
-	 *
-	 * Insert the "new" entry in the correct block.
-	 */
-	if (state->inleaf) {
-		trace_xfs_attr_leaf_add_old(state->args);
-		error = xfs_attr3_leaf_add(oldblk->bp, state->args);
-	} else {
-		trace_xfs_attr_leaf_add_new(state->args);
-		error = xfs_attr3_leaf_add(newblk->bp, state->args);
-	}
-
-	/*
-	 * Update last hashval in each block since we added the name.
-	 */
-	oldblk->hashval = xfs_attr_leaf_lasthash(oldblk->bp, NULL);
-	newblk->hashval = xfs_attr_leaf_lasthash(newblk->bp, NULL);
-	return error;
-}
-
-/*
- * Add a name to the leaf attribute list structure.
- */
-int
-xfs_attr3_leaf_add(
-	struct xfs_buf		*bp,
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	int			tablesize;
-	int			entsize;
-	int			sum;
-	int			tmp;
-	int			i;
-
-	trace_xfs_attr_leaf_add(args);
-
-	leaf = bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	ASSERT(args->index >= 0 && args->index <= ichdr.count);
-	entsize = xfs_attr_leaf_newentsize(args, NULL);
-
-	/*
-	 * Search through freemap for first-fit on new name length.
-	 * (may need to figure in size of entry struct too)
-	 */
-	tablesize = (ichdr.count + 1) * sizeof(xfs_attr_leaf_entry_t)
-					+ xfs_attr3_leaf_hdr_size(leaf);
-	for (sum = 0, i = XFS_ATTR_LEAF_MAPSIZE - 1; i >= 0; i--) {
-		if (tablesize > ichdr.firstused) {
-			sum += ichdr.freemap[i].size;
-			continue;
-		}
-		if (!ichdr.freemap[i].size)
-			continue;	/* no space in this map */
-		tmp = entsize;
-		if (ichdr.freemap[i].base < ichdr.firstused)
-			tmp += sizeof(xfs_attr_leaf_entry_t);
-		if (ichdr.freemap[i].size >= tmp) {
-			tmp = xfs_attr3_leaf_add_work(bp, &ichdr, args, i);
-			goto out_log_hdr;
-		}
-		sum += ichdr.freemap[i].size;
-	}
-
-	/*
-	 * If there are no holes in the address space of the block,
-	 * and we don't have enough freespace, then compaction will do us
-	 * no good and we should just give up.
-	 */
-	if (!ichdr.holes && sum < entsize)
-		return ENOSPC;
-
-	/*
-	 * Compact the entries to coalesce free space.
-	 * This may change the hdr->count via dropping INCOMPLETE entries.
-	 */
-	xfs_attr3_leaf_compact(args, &ichdr, bp);
-
-	/*
-	 * After compaction, the block is guaranteed to have only one
-	 * free region, in freemap[0].  If it is not big enough, give up.
-	 */
-	if (ichdr.freemap[0].size < (entsize + sizeof(xfs_attr_leaf_entry_t))) {
-		tmp = ENOSPC;
-		goto out_log_hdr;
-	}
-
-	tmp = xfs_attr3_leaf_add_work(bp, &ichdr, args, 0);
-
-out_log_hdr:
-	xfs_attr3_leaf_hdr_to_disk(leaf, &ichdr);
-	xfs_trans_log_buf(args->trans, bp,
-		XFS_DA_LOGRANGE(leaf, &leaf->hdr,
-				xfs_attr3_leaf_hdr_size(leaf)));
-	return tmp;
-}
-
-/*
- * Add a name to a leaf attribute list structure.
- */
-STATIC int
-xfs_attr3_leaf_add_work(
-	struct xfs_buf		*bp,
-	struct xfs_attr3_icleaf_hdr *ichdr,
-	struct xfs_da_args	*args,
-	int			mapindex)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr_leaf_entry *entry;
-	struct xfs_attr_leaf_name_local *name_loc;
-	struct xfs_attr_leaf_name_remote *name_rmt;
-	struct xfs_mount	*mp;
-	int			tmp;
-	int			i;
-
-	trace_xfs_attr_leaf_add_work(args);
-
-	leaf = bp->b_addr;
-	ASSERT(mapindex >= 0 && mapindex < XFS_ATTR_LEAF_MAPSIZE);
-	ASSERT(args->index >= 0 && args->index <= ichdr->count);
-
-	/*
-	 * Force open some space in the entry array and fill it in.
-	 */
-	entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
-	if (args->index < ichdr->count) {
-		tmp  = ichdr->count - args->index;
-		tmp *= sizeof(xfs_attr_leaf_entry_t);
-		memmove(entry + 1, entry, tmp);
-		xfs_trans_log_buf(args->trans, bp,
-		    XFS_DA_LOGRANGE(leaf, entry, tmp + sizeof(*entry)));
-	}
-	ichdr->count++;
-
-	/*
-	 * Allocate space for the new string (at the end of the run).
-	 */
-	mp = args->trans->t_mountp;
-	ASSERT(ichdr->freemap[mapindex].base < args->geo->blksize);
-	ASSERT((ichdr->freemap[mapindex].base & 0x3) == 0);
-	ASSERT(ichdr->freemap[mapindex].size >=
-		xfs_attr_leaf_newentsize(args, NULL));
-	ASSERT(ichdr->freemap[mapindex].size < args->geo->blksize);
-	ASSERT((ichdr->freemap[mapindex].size & 0x3) == 0);
-
-	ichdr->freemap[mapindex].size -= xfs_attr_leaf_newentsize(args, &tmp);
-
-	entry->nameidx = cpu_to_be16(ichdr->freemap[mapindex].base +
-				     ichdr->freemap[mapindex].size);
-	entry->hashval = cpu_to_be32(args->hashval);
-	entry->flags = tmp ? XFS_ATTR_LOCAL : 0;
-	entry->flags |= XFS_ATTR_NSP_ARGS_TO_ONDISK(args->flags);
-	if (args->op_flags & XFS_DA_OP_RENAME) {
-		entry->flags |= XFS_ATTR_INCOMPLETE;
-		if ((args->blkno2 == args->blkno) &&
-		    (args->index2 <= args->index)) {
-			args->index2++;
-		}
-	}
-	xfs_trans_log_buf(args->trans, bp,
-			  XFS_DA_LOGRANGE(leaf, entry, sizeof(*entry)));
-	ASSERT((args->index == 0) ||
-	       (be32_to_cpu(entry->hashval) >= be32_to_cpu((entry-1)->hashval)));
-	ASSERT((args->index == ichdr->count - 1) ||
-	       (be32_to_cpu(entry->hashval) <= be32_to_cpu((entry+1)->hashval)));
-
-	/*
-	 * For "remote" attribute values, simply note that we need to
-	 * allocate space for the "remote" value.  We can't actually
-	 * allocate the extents in this transaction, and we can't decide
-	 * which blocks they should be as we might allocate more blocks
-	 * as part of this transaction (a split operation for example).
-	 */
-	if (entry->flags & XFS_ATTR_LOCAL) {
-		name_loc = xfs_attr3_leaf_name_local(leaf, args->index);
-		name_loc->namelen = args->namelen;
-		name_loc->valuelen = cpu_to_be16(args->valuelen);
-		memcpy((char *)name_loc->nameval, args->name, args->namelen);
-		memcpy((char *)&name_loc->nameval[args->namelen], args->value,
-				   be16_to_cpu(name_loc->valuelen));
-	} else {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index);
-		name_rmt->namelen = args->namelen;
-		memcpy((char *)name_rmt->name, args->name, args->namelen);
-		entry->flags |= XFS_ATTR_INCOMPLETE;
-		/* just in case */
-		name_rmt->valuelen = 0;
-		name_rmt->valueblk = 0;
-		args->rmtblkno = 1;
-		args->rmtblkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen);
-		args->rmtvaluelen = args->valuelen;
-	}
-	xfs_trans_log_buf(args->trans, bp,
-	     XFS_DA_LOGRANGE(leaf, xfs_attr3_leaf_name(leaf, args->index),
-				   xfs_attr_leaf_entsize(leaf, args->index)));
-
-	/*
-	 * Update the control info for this leaf node
-	 */
-	if (be16_to_cpu(entry->nameidx) < ichdr->firstused)
-		ichdr->firstused = be16_to_cpu(entry->nameidx);
-
-	ASSERT(ichdr->firstused >= ichdr->count * sizeof(xfs_attr_leaf_entry_t)
-					+ xfs_attr3_leaf_hdr_size(leaf));
-	tmp = (ichdr->count - 1) * sizeof(xfs_attr_leaf_entry_t)
-					+ xfs_attr3_leaf_hdr_size(leaf);
-
-	for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
-		if (ichdr->freemap[i].base == tmp) {
-			ichdr->freemap[i].base += sizeof(xfs_attr_leaf_entry_t);
-			ichdr->freemap[i].size -= sizeof(xfs_attr_leaf_entry_t);
-		}
-	}
-	ichdr->usedbytes += xfs_attr_leaf_entsize(leaf, args->index);
-	return 0;
-}
-
-/*
- * Garbage collect a leaf attribute list block by copying it to a new buffer.
- */
-STATIC void
-xfs_attr3_leaf_compact(
-	struct xfs_da_args	*args,
-	struct xfs_attr3_icleaf_hdr *ichdr_dst,
-	struct xfs_buf		*bp)
-{
-	struct xfs_attr_leafblock *leaf_src;
-	struct xfs_attr_leafblock *leaf_dst;
-	struct xfs_attr3_icleaf_hdr ichdr_src;
-	struct xfs_trans	*trans = args->trans;
-	char			*tmpbuffer;
-
-	trace_xfs_attr_leaf_compact(args);
-
-	tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
-	memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
-	memset(bp->b_addr, 0, args->geo->blksize);
-	leaf_src = (xfs_attr_leafblock_t *)tmpbuffer;
-	leaf_dst = bp->b_addr;
-
-	/*
-	 * Copy the on-disk header back into the destination buffer to ensure
-	 * all the information in the header that is not part of the incore
-	 * header structure is preserved.
-	 */
-	memcpy(bp->b_addr, tmpbuffer, xfs_attr3_leaf_hdr_size(leaf_src));
-
-	/* Initialise the incore headers */
-	ichdr_src = *ichdr_dst;	/* struct copy */
-	ichdr_dst->firstused = args->geo->blksize;
-	ichdr_dst->usedbytes = 0;
-	ichdr_dst->count = 0;
-	ichdr_dst->holes = 0;
-	ichdr_dst->freemap[0].base = xfs_attr3_leaf_hdr_size(leaf_src);
-	ichdr_dst->freemap[0].size = ichdr_dst->firstused -
-						ichdr_dst->freemap[0].base;
-
-	/* write the header back to initialise the underlying buffer */
-	xfs_attr3_leaf_hdr_to_disk(leaf_dst, ichdr_dst);
-
-	/*
-	 * Copy all entry's in the same (sorted) order,
-	 * but allocate name/value pairs packed and in sequence.
-	 */
-	xfs_attr3_leaf_moveents(args, leaf_src, &ichdr_src, 0,
-				leaf_dst, ichdr_dst, 0, ichdr_src.count);
-	/*
-	 * this logs the entire buffer, but the caller must write the header
-	 * back to the buffer when it is finished modifying it.
-	 */
-	xfs_trans_log_buf(trans, bp, 0, args->geo->blksize - 1);
-
-	kmem_free(tmpbuffer);
-}
-
-/*
- * Compare two leaf blocks "order".
- * Return 0 unless leaf2 should go before leaf1.
- */
-static int
-xfs_attr3_leaf_order(
-	struct xfs_buf	*leaf1_bp,
-	struct xfs_attr3_icleaf_hdr *leaf1hdr,
-	struct xfs_buf	*leaf2_bp,
-	struct xfs_attr3_icleaf_hdr *leaf2hdr)
-{
-	struct xfs_attr_leaf_entry *entries1;
-	struct xfs_attr_leaf_entry *entries2;
-
-	entries1 = xfs_attr3_leaf_entryp(leaf1_bp->b_addr);
-	entries2 = xfs_attr3_leaf_entryp(leaf2_bp->b_addr);
-	if (leaf1hdr->count > 0 && leaf2hdr->count > 0 &&
-	    ((be32_to_cpu(entries2[0].hashval) <
-	      be32_to_cpu(entries1[0].hashval)) ||
-	     (be32_to_cpu(entries2[leaf2hdr->count - 1].hashval) <
-	      be32_to_cpu(entries1[leaf1hdr->count - 1].hashval)))) {
-		return 1;
-	}
-	return 0;
-}
-
-int
-xfs_attr_leaf_order(
-	struct xfs_buf	*leaf1_bp,
-	struct xfs_buf	*leaf2_bp)
-{
-	struct xfs_attr3_icleaf_hdr ichdr1;
-	struct xfs_attr3_icleaf_hdr ichdr2;
-
-	xfs_attr3_leaf_hdr_from_disk(&ichdr1, leaf1_bp->b_addr);
-	xfs_attr3_leaf_hdr_from_disk(&ichdr2, leaf2_bp->b_addr);
-	return xfs_attr3_leaf_order(leaf1_bp, &ichdr1, leaf2_bp, &ichdr2);
-}
-
-/*
- * Redistribute the attribute list entries between two leaf nodes,
- * taking into account the size of the new entry.
- *
- * NOTE: if new block is empty, then it will get the upper half of the
- * old block.  At present, all (one) callers pass in an empty second block.
- *
- * This code adjusts the args->index/blkno and args->index2/blkno2 fields
- * to match what it is doing in splitting the attribute leaf block.  Those
- * values are used in "atomic rename" operations on attributes.  Note that
- * the "new" and "old" values can end up in different blocks.
- */
-STATIC void
-xfs_attr3_leaf_rebalance(
-	struct xfs_da_state	*state,
-	struct xfs_da_state_blk	*blk1,
-	struct xfs_da_state_blk	*blk2)
-{
-	struct xfs_da_args	*args;
-	struct xfs_attr_leafblock *leaf1;
-	struct xfs_attr_leafblock *leaf2;
-	struct xfs_attr3_icleaf_hdr ichdr1;
-	struct xfs_attr3_icleaf_hdr ichdr2;
-	struct xfs_attr_leaf_entry *entries1;
-	struct xfs_attr_leaf_entry *entries2;
-	int			count;
-	int			totallen;
-	int			max;
-	int			space;
-	int			swap;
-
-	/*
-	 * Set up environment.
-	 */
-	ASSERT(blk1->magic == XFS_ATTR_LEAF_MAGIC);
-	ASSERT(blk2->magic == XFS_ATTR_LEAF_MAGIC);
-	leaf1 = blk1->bp->b_addr;
-	leaf2 = blk2->bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr1, leaf1);
-	xfs_attr3_leaf_hdr_from_disk(&ichdr2, leaf2);
-	ASSERT(ichdr2.count == 0);
-	args = state->args;
-
-	trace_xfs_attr_leaf_rebalance(args);
-
-	/*
-	 * Check ordering of blocks, reverse if it makes things simpler.
-	 *
-	 * NOTE: Given that all (current) callers pass in an empty
-	 * second block, this code should never set "swap".
-	 */
-	swap = 0;
-	if (xfs_attr3_leaf_order(blk1->bp, &ichdr1, blk2->bp, &ichdr2)) {
-		struct xfs_da_state_blk	*tmp_blk;
-		struct xfs_attr3_icleaf_hdr tmp_ichdr;
-
-		tmp_blk = blk1;
-		blk1 = blk2;
-		blk2 = tmp_blk;
-
-		/* struct copies to swap them rather than reconverting */
-		tmp_ichdr = ichdr1;
-		ichdr1 = ichdr2;
-		ichdr2 = tmp_ichdr;
-
-		leaf1 = blk1->bp->b_addr;
-		leaf2 = blk2->bp->b_addr;
-		swap = 1;
-	}
-
-	/*
-	 * Examine entries until we reduce the absolute difference in
-	 * byte usage between the two blocks to a minimum.  Then get
-	 * the direction to copy and the number of elements to move.
-	 *
-	 * "inleaf" is true if the new entry should be inserted into blk1.
-	 * If "swap" is also true, then reverse the sense of "inleaf".
-	 */
-	state->inleaf = xfs_attr3_leaf_figure_balance(state, blk1, &ichdr1,
-						      blk2, &ichdr2,
-						      &count, &totallen);
-	if (swap)
-		state->inleaf = !state->inleaf;
-
-	/*
-	 * Move any entries required from leaf to leaf:
-	 */
-	if (count < ichdr1.count) {
-		/*
-		 * Figure the total bytes to be added to the destination leaf.
-		 */
-		/* number entries being moved */
-		count = ichdr1.count - count;
-		space  = ichdr1.usedbytes - totallen;
-		space += count * sizeof(xfs_attr_leaf_entry_t);
-
-		/*
-		 * leaf2 is the destination, compact it if it looks tight.
-		 */
-		max  = ichdr2.firstused - xfs_attr3_leaf_hdr_size(leaf1);
-		max -= ichdr2.count * sizeof(xfs_attr_leaf_entry_t);
-		if (space > max)
-			xfs_attr3_leaf_compact(args, &ichdr2, blk2->bp);
-
-		/*
-		 * Move high entries from leaf1 to low end of leaf2.
-		 */
-		xfs_attr3_leaf_moveents(args, leaf1, &ichdr1,
-				ichdr1.count - count, leaf2, &ichdr2, 0, count);
-
-	} else if (count > ichdr1.count) {
-		/*
-		 * I assert that since all callers pass in an empty
-		 * second buffer, this code should never execute.
-		 */
-		ASSERT(0);
-
-		/*
-		 * Figure the total bytes to be added to the destination leaf.
-		 */
-		/* number entries being moved */
-		count -= ichdr1.count;
-		space  = totallen - ichdr1.usedbytes;
-		space += count * sizeof(xfs_attr_leaf_entry_t);
-
-		/*
-		 * leaf1 is the destination, compact it if it looks tight.
-		 */
-		max  = ichdr1.firstused - xfs_attr3_leaf_hdr_size(leaf1);
-		max -= ichdr1.count * sizeof(xfs_attr_leaf_entry_t);
-		if (space > max)
-			xfs_attr3_leaf_compact(args, &ichdr1, blk1->bp);
-
-		/*
-		 * Move low entries from leaf2 to high end of leaf1.
-		 */
-		xfs_attr3_leaf_moveents(args, leaf2, &ichdr2, 0, leaf1, &ichdr1,
-					ichdr1.count, count);
-	}
-
-	xfs_attr3_leaf_hdr_to_disk(leaf1, &ichdr1);
-	xfs_attr3_leaf_hdr_to_disk(leaf2, &ichdr2);
-	xfs_trans_log_buf(args->trans, blk1->bp, 0, args->geo->blksize - 1);
-	xfs_trans_log_buf(args->trans, blk2->bp, 0, args->geo->blksize - 1);
-
-	/*
-	 * Copy out last hashval in each block for B-tree code.
-	 */
-	entries1 = xfs_attr3_leaf_entryp(leaf1);
-	entries2 = xfs_attr3_leaf_entryp(leaf2);
-	blk1->hashval = be32_to_cpu(entries1[ichdr1.count - 1].hashval);
-	blk2->hashval = be32_to_cpu(entries2[ichdr2.count - 1].hashval);
-
-	/*
-	 * Adjust the expected index for insertion.
-	 * NOTE: this code depends on the (current) situation that the
-	 * second block was originally empty.
-	 *
-	 * If the insertion point moved to the 2nd block, we must adjust
-	 * the index.  We must also track the entry just following the
-	 * new entry for use in an "atomic rename" operation, that entry
-	 * is always the "old" entry and the "new" entry is what we are
-	 * inserting.  The index/blkno fields refer to the "old" entry,
-	 * while the index2/blkno2 fields refer to the "new" entry.
-	 */
-	if (blk1->index > ichdr1.count) {
-		ASSERT(state->inleaf == 0);
-		blk2->index = blk1->index - ichdr1.count;
-		args->index = args->index2 = blk2->index;
-		args->blkno = args->blkno2 = blk2->blkno;
-	} else if (blk1->index == ichdr1.count) {
-		if (state->inleaf) {
-			args->index = blk1->index;
-			args->blkno = blk1->blkno;
-			args->index2 = 0;
-			args->blkno2 = blk2->blkno;
-		} else {
-			/*
-			 * On a double leaf split, the original attr location
-			 * is already stored in blkno2/index2, so don't
-			 * overwrite it overwise we corrupt the tree.
-			 */
-			blk2->index = blk1->index - ichdr1.count;
-			args->index = blk2->index;
-			args->blkno = blk2->blkno;
-			if (!state->extravalid) {
-				/*
-				 * set the new attr location to match the old
-				 * one and let the higher level split code
-				 * decide where in the leaf to place it.
-				 */
-				args->index2 = blk2->index;
-				args->blkno2 = blk2->blkno;
-			}
-		}
-	} else {
-		ASSERT(state->inleaf == 1);
-		args->index = args->index2 = blk1->index;
-		args->blkno = args->blkno2 = blk1->blkno;
-	}
-}
-
-/*
- * Examine entries until we reduce the absolute difference in
- * byte usage between the two blocks to a minimum.
- * GROT: Is this really necessary?  With other than a 512 byte blocksize,
- * GROT: there will always be enough room in either block for a new entry.
- * GROT: Do a double-split for this case?
- */
-STATIC int
-xfs_attr3_leaf_figure_balance(
-	struct xfs_da_state		*state,
-	struct xfs_da_state_blk		*blk1,
-	struct xfs_attr3_icleaf_hdr	*ichdr1,
-	struct xfs_da_state_blk		*blk2,
-	struct xfs_attr3_icleaf_hdr	*ichdr2,
-	int				*countarg,
-	int				*usedbytesarg)
-{
-	struct xfs_attr_leafblock	*leaf1 = blk1->bp->b_addr;
-	struct xfs_attr_leafblock	*leaf2 = blk2->bp->b_addr;
-	struct xfs_attr_leaf_entry	*entry;
-	int				count;
-	int				max;
-	int				index;
-	int				totallen = 0;
-	int				half;
-	int				lastdelta;
-	int				foundit = 0;
-	int				tmp;
-
-	/*
-	 * Examine entries until we reduce the absolute difference in
-	 * byte usage between the two blocks to a minimum.
-	 */
-	max = ichdr1->count + ichdr2->count;
-	half = (max + 1) * sizeof(*entry);
-	half += ichdr1->usedbytes + ichdr2->usedbytes +
-			xfs_attr_leaf_newentsize(state->args, NULL);
-	half /= 2;
-	lastdelta = state->args->geo->blksize;
-	entry = xfs_attr3_leaf_entryp(leaf1);
-	for (count = index = 0; count < max; entry++, index++, count++) {
-
-#define XFS_ATTR_ABS(A)	(((A) < 0) ? -(A) : (A))
-		/*
-		 * The new entry is in the first block, account for it.
-		 */
-		if (count == blk1->index) {
-			tmp = totallen + sizeof(*entry) +
-				xfs_attr_leaf_newentsize(state->args, NULL);
-			if (XFS_ATTR_ABS(half - tmp) > lastdelta)
-				break;
-			lastdelta = XFS_ATTR_ABS(half - tmp);
-			totallen = tmp;
-			foundit = 1;
-		}
-
-		/*
-		 * Wrap around into the second block if necessary.
-		 */
-		if (count == ichdr1->count) {
-			leaf1 = leaf2;
-			entry = xfs_attr3_leaf_entryp(leaf1);
-			index = 0;
-		}
-
-		/*
-		 * Figure out if next leaf entry would be too much.
-		 */
-		tmp = totallen + sizeof(*entry) + xfs_attr_leaf_entsize(leaf1,
-									index);
-		if (XFS_ATTR_ABS(half - tmp) > lastdelta)
-			break;
-		lastdelta = XFS_ATTR_ABS(half - tmp);
-		totallen = tmp;
-#undef XFS_ATTR_ABS
-	}
-
-	/*
-	 * Calculate the number of usedbytes that will end up in lower block.
-	 * If new entry not in lower block, fix up the count.
-	 */
-	totallen -= count * sizeof(*entry);
-	if (foundit) {
-		totallen -= sizeof(*entry) +
-				xfs_attr_leaf_newentsize(state->args, NULL);
-	}
-
-	*countarg = count;
-	*usedbytesarg = totallen;
-	return foundit;
-}
-
-/*========================================================================
- * Routines used for shrinking the Btree.
- *========================================================================*/
-
-/*
- * Check a leaf block and its neighbors to see if the block should be
- * collapsed into one or the other neighbor.  Always keep the block
- * with the smaller block number.
- * If the current block is over 50% full, don't try to join it, return 0.
- * If the block is empty, fill in the state structure and return 2.
- * If it can be collapsed, fill in the state structure and return 1.
- * If nothing can be done, return 0.
- *
- * GROT: allow for INCOMPLETE entries in calculation.
- */
-int
-xfs_attr3_leaf_toosmall(
-	struct xfs_da_state	*state,
-	int			*action)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_da_state_blk	*blk;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_buf		*bp;
-	xfs_dablk_t		blkno;
-	int			bytes;
-	int			forward;
-	int			error;
-	int			retval;
-	int			i;
-
-	trace_xfs_attr_leaf_toosmall(state->args);
-
-	/*
-	 * Check for the degenerate case of the block being over 50% full.
-	 * If so, it's not worth even looking to see if we might be able
-	 * to coalesce with a sibling.
-	 */
-	blk = &state->path.blk[ state->path.active-1 ];
-	leaf = blk->bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	bytes = xfs_attr3_leaf_hdr_size(leaf) +
-		ichdr.count * sizeof(xfs_attr_leaf_entry_t) +
-		ichdr.usedbytes;
-	if (bytes > (state->args->geo->blksize >> 1)) {
-		*action = 0;	/* blk over 50%, don't try to join */
-		return 0;
-	}
-
-	/*
-	 * Check for the degenerate case of the block being empty.
-	 * If the block is empty, we'll simply delete it, no need to
-	 * coalesce it with a sibling block.  We choose (arbitrarily)
-	 * to merge with the forward block unless it is NULL.
-	 */
-	if (ichdr.count == 0) {
-		/*
-		 * Make altpath point to the block we want to keep and
-		 * path point to the block we want to drop (this one).
-		 */
-		forward = (ichdr.forw != 0);
-		memcpy(&state->altpath, &state->path, sizeof(state->path));
-		error = xfs_da3_path_shift(state, &state->altpath, forward,
-						 0, &retval);
-		if (error)
-			return error;
-		if (retval) {
-			*action = 0;
-		} else {
-			*action = 2;
-		}
-		return 0;
-	}
-
-	/*
-	 * Examine each sibling block to see if we can coalesce with
-	 * at least 25% free space to spare.  We need to figure out
-	 * whether to merge with the forward or the backward block.
-	 * We prefer coalescing with the lower numbered sibling so as
-	 * to shrink an attribute list over time.
-	 */
-	/* start with smaller blk num */
-	forward = ichdr.forw < ichdr.back;
-	for (i = 0; i < 2; forward = !forward, i++) {
-		struct xfs_attr3_icleaf_hdr ichdr2;
-		if (forward)
-			blkno = ichdr.forw;
-		else
-			blkno = ichdr.back;
-		if (blkno == 0)
-			continue;
-		error = xfs_attr3_leaf_read(state->args->trans, state->args->dp,
-					blkno, -1, &bp);
-		if (error)
-			return error;
-
-		xfs_attr3_leaf_hdr_from_disk(&ichdr2, bp->b_addr);
-
-		bytes = state->args->geo->blksize -
-			(state->args->geo->blksize >> 2) -
-			ichdr.usedbytes - ichdr2.usedbytes -
-			((ichdr.count + ichdr2.count) *
-					sizeof(xfs_attr_leaf_entry_t)) -
-			xfs_attr3_leaf_hdr_size(leaf);
-
-		xfs_trans_brelse(state->args->trans, bp);
-		if (bytes >= 0)
-			break;	/* fits with at least 25% to spare */
-	}
-	if (i >= 2) {
-		*action = 0;
-		return 0;
-	}
-
-	/*
-	 * Make altpath point to the block we want to keep (the lower
-	 * numbered block) and path point to the block we want to drop.
-	 */
-	memcpy(&state->altpath, &state->path, sizeof(state->path));
-	if (blkno < blk->blkno) {
-		error = xfs_da3_path_shift(state, &state->altpath, forward,
-						 0, &retval);
-	} else {
-		error = xfs_da3_path_shift(state, &state->path, forward,
-						 0, &retval);
-	}
-	if (error)
-		return error;
-	if (retval) {
-		*action = 0;
-	} else {
-		*action = 1;
-	}
-	return 0;
-}
-
-/*
- * Remove a name from the leaf attribute list structure.
- *
- * Return 1 if leaf is less than 37% full, 0 if >= 37% full.
- * If two leaves are 37% full, when combined they will leave 25% free.
- */
-int
-xfs_attr3_leaf_remove(
-	struct xfs_buf		*bp,
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_attr_leaf_entry *entry;
-	int			before;
-	int			after;
-	int			smallest;
-	int			entsize;
-	int			tablesize;
-	int			tmp;
-	int			i;
-
-	trace_xfs_attr_leaf_remove(args);
-
-	leaf = bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-
-	ASSERT(ichdr.count > 0 && ichdr.count < args->geo->blksize / 8);
-	ASSERT(args->index >= 0 && args->index < ichdr.count);
-	ASSERT(ichdr.firstused >= ichdr.count * sizeof(*entry) +
-					xfs_attr3_leaf_hdr_size(leaf));
-
-	entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
-
-	ASSERT(be16_to_cpu(entry->nameidx) >= ichdr.firstused);
-	ASSERT(be16_to_cpu(entry->nameidx) < args->geo->blksize);
-
-	/*
-	 * Scan through free region table:
-	 *    check for adjacency of free'd entry with an existing one,
-	 *    find smallest free region in case we need to replace it,
-	 *    adjust any map that borders the entry table,
-	 */
-	tablesize = ichdr.count * sizeof(xfs_attr_leaf_entry_t)
-					+ xfs_attr3_leaf_hdr_size(leaf);
-	tmp = ichdr.freemap[0].size;
-	before = after = -1;
-	smallest = XFS_ATTR_LEAF_MAPSIZE - 1;
-	entsize = xfs_attr_leaf_entsize(leaf, args->index);
-	for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
-		ASSERT(ichdr.freemap[i].base < args->geo->blksize);
-		ASSERT(ichdr.freemap[i].size < args->geo->blksize);
-		if (ichdr.freemap[i].base == tablesize) {
-			ichdr.freemap[i].base -= sizeof(xfs_attr_leaf_entry_t);
-			ichdr.freemap[i].size += sizeof(xfs_attr_leaf_entry_t);
-		}
-
-		if (ichdr.freemap[i].base + ichdr.freemap[i].size ==
-				be16_to_cpu(entry->nameidx)) {
-			before = i;
-		} else if (ichdr.freemap[i].base ==
-				(be16_to_cpu(entry->nameidx) + entsize)) {
-			after = i;
-		} else if (ichdr.freemap[i].size < tmp) {
-			tmp = ichdr.freemap[i].size;
-			smallest = i;
-		}
-	}
-
-	/*
-	 * Coalesce adjacent freemap regions,
-	 * or replace the smallest region.
-	 */
-	if ((before >= 0) || (after >= 0)) {
-		if ((before >= 0) && (after >= 0)) {
-			ichdr.freemap[before].size += entsize;
-			ichdr.freemap[before].size += ichdr.freemap[after].size;
-			ichdr.freemap[after].base = 0;
-			ichdr.freemap[after].size = 0;
-		} else if (before >= 0) {
-			ichdr.freemap[before].size += entsize;
-		} else {
-			ichdr.freemap[after].base = be16_to_cpu(entry->nameidx);
-			ichdr.freemap[after].size += entsize;
-		}
-	} else {
-		/*
-		 * Replace smallest region (if it is smaller than free'd entry)
-		 */
-		if (ichdr.freemap[smallest].size < entsize) {
-			ichdr.freemap[smallest].base = be16_to_cpu(entry->nameidx);
-			ichdr.freemap[smallest].size = entsize;
-		}
-	}
-
-	/*
-	 * Did we remove the first entry?
-	 */
-	if (be16_to_cpu(entry->nameidx) == ichdr.firstused)
-		smallest = 1;
-	else
-		smallest = 0;
-
-	/*
-	 * Compress the remaining entries and zero out the removed stuff.
-	 */
-	memset(xfs_attr3_leaf_name(leaf, args->index), 0, entsize);
-	ichdr.usedbytes -= entsize;
-	xfs_trans_log_buf(args->trans, bp,
-	     XFS_DA_LOGRANGE(leaf, xfs_attr3_leaf_name(leaf, args->index),
-				   entsize));
-
-	tmp = (ichdr.count - args->index) * sizeof(xfs_attr_leaf_entry_t);
-	memmove(entry, entry + 1, tmp);
-	ichdr.count--;
-	xfs_trans_log_buf(args->trans, bp,
-	    XFS_DA_LOGRANGE(leaf, entry, tmp + sizeof(xfs_attr_leaf_entry_t)));
-
-	entry = &xfs_attr3_leaf_entryp(leaf)[ichdr.count];
-	memset(entry, 0, sizeof(xfs_attr_leaf_entry_t));
-
-	/*
-	 * If we removed the first entry, re-find the first used byte
-	 * in the name area.  Note that if the entry was the "firstused",
-	 * then we don't have a "hole" in our block resulting from
-	 * removing the name.
-	 */
-	if (smallest) {
-		tmp = args->geo->blksize;
-		entry = xfs_attr3_leaf_entryp(leaf);
-		for (i = ichdr.count - 1; i >= 0; entry++, i--) {
-			ASSERT(be16_to_cpu(entry->nameidx) >= ichdr.firstused);
-			ASSERT(be16_to_cpu(entry->nameidx) < args->geo->blksize);
-
-			if (be16_to_cpu(entry->nameidx) < tmp)
-				tmp = be16_to_cpu(entry->nameidx);
-		}
-		ichdr.firstused = tmp;
-		if (!ichdr.firstused)
-			ichdr.firstused = tmp - XFS_ATTR_LEAF_NAME_ALIGN;
-	} else {
-		ichdr.holes = 1;	/* mark as needing compaction */
-	}
-	xfs_attr3_leaf_hdr_to_disk(leaf, &ichdr);
-	xfs_trans_log_buf(args->trans, bp,
-			  XFS_DA_LOGRANGE(leaf, &leaf->hdr,
-					  xfs_attr3_leaf_hdr_size(leaf)));
-
-	/*
-	 * Check if leaf is less than 50% full, caller may want to
-	 * "join" the leaf with a sibling if so.
-	 */
-	tmp = ichdr.usedbytes + xfs_attr3_leaf_hdr_size(leaf) +
-	      ichdr.count * sizeof(xfs_attr_leaf_entry_t);
-
-	return tmp < args->geo->magicpct; /* leaf is < 37% full */
-}
-
-/*
- * Move all the attribute list entries from drop_leaf into save_leaf.
- */
-void
-xfs_attr3_leaf_unbalance(
-	struct xfs_da_state	*state,
-	struct xfs_da_state_blk	*drop_blk,
-	struct xfs_da_state_blk	*save_blk)
-{
-	struct xfs_attr_leafblock *drop_leaf = drop_blk->bp->b_addr;
-	struct xfs_attr_leafblock *save_leaf = save_blk->bp->b_addr;
-	struct xfs_attr3_icleaf_hdr drophdr;
-	struct xfs_attr3_icleaf_hdr savehdr;
-	struct xfs_attr_leaf_entry *entry;
-
-	trace_xfs_attr_leaf_unbalance(state->args);
-
-	drop_leaf = drop_blk->bp->b_addr;
-	save_leaf = save_blk->bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&drophdr, drop_leaf);
-	xfs_attr3_leaf_hdr_from_disk(&savehdr, save_leaf);
-	entry = xfs_attr3_leaf_entryp(drop_leaf);
-
-	/*
-	 * Save last hashval from dying block for later Btree fixup.
-	 */
-	drop_blk->hashval = be32_to_cpu(entry[drophdr.count - 1].hashval);
-
-	/*
-	 * Check if we need a temp buffer, or can we do it in place.
-	 * Note that we don't check "leaf" for holes because we will
-	 * always be dropping it, toosmall() decided that for us already.
-	 */
-	if (savehdr.holes == 0) {
-		/*
-		 * dest leaf has no holes, so we add there.  May need
-		 * to make some room in the entry array.
-		 */
-		if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
-					 drop_blk->bp, &drophdr)) {
-			xfs_attr3_leaf_moveents(state->args,
-						drop_leaf, &drophdr, 0,
-						save_leaf, &savehdr, 0,
-						drophdr.count);
-		} else {
-			xfs_attr3_leaf_moveents(state->args,
-						drop_leaf, &drophdr, 0,
-						save_leaf, &savehdr,
-						savehdr.count, drophdr.count);
-		}
-	} else {
-		/*
-		 * Destination has holes, so we make a temporary copy
-		 * of the leaf and add them both to that.
-		 */
-		struct xfs_attr_leafblock *tmp_leaf;
-		struct xfs_attr3_icleaf_hdr tmphdr;
-
-		tmp_leaf = kmem_zalloc(state->args->geo->blksize, KM_SLEEP);
-
-		/*
-		 * Copy the header into the temp leaf so that all the stuff
-		 * not in the incore header is present and gets copied back in
-		 * once we've moved all the entries.
-		 */
-		memcpy(tmp_leaf, save_leaf, xfs_attr3_leaf_hdr_size(save_leaf));
-
-		memset(&tmphdr, 0, sizeof(tmphdr));
-		tmphdr.magic = savehdr.magic;
-		tmphdr.forw = savehdr.forw;
-		tmphdr.back = savehdr.back;
-		tmphdr.firstused = state->args->geo->blksize;
-
-		/* write the header to the temp buffer to initialise it */
-		xfs_attr3_leaf_hdr_to_disk(tmp_leaf, &tmphdr);
-
-		if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
-					 drop_blk->bp, &drophdr)) {
-			xfs_attr3_leaf_moveents(state->args,
-						drop_leaf, &drophdr, 0,
-						tmp_leaf, &tmphdr, 0,
-						drophdr.count);
-			xfs_attr3_leaf_moveents(state->args,
-						save_leaf, &savehdr, 0,
-						tmp_leaf, &tmphdr, tmphdr.count,
-						savehdr.count);
-		} else {
-			xfs_attr3_leaf_moveents(state->args,
-						save_leaf, &savehdr, 0,
-						tmp_leaf, &tmphdr, 0,
-						savehdr.count);
-			xfs_attr3_leaf_moveents(state->args,
-						drop_leaf, &drophdr, 0,
-						tmp_leaf, &tmphdr, tmphdr.count,
-						drophdr.count);
-		}
-		memcpy(save_leaf, tmp_leaf, state->args->geo->blksize);
-		savehdr = tmphdr; /* struct copy */
-		kmem_free(tmp_leaf);
-	}
-
-	xfs_attr3_leaf_hdr_to_disk(save_leaf, &savehdr);
-	xfs_trans_log_buf(state->args->trans, save_blk->bp, 0,
-					   state->args->geo->blksize - 1);
-
-	/*
-	 * Copy out last hashval in each block for B-tree code.
-	 */
-	entry = xfs_attr3_leaf_entryp(save_leaf);
-	save_blk->hashval = be32_to_cpu(entry[savehdr.count - 1].hashval);
-}
-
-/*========================================================================
- * Routines used for finding things in the Btree.
- *========================================================================*/
-
-/*
- * Look up a name in a leaf attribute list structure.
- * This is the internal routine, it uses the caller's buffer.
- *
- * Note that duplicate keys are allowed, but only check within the
- * current leaf node.  The Btree code must check in adjacent leaf nodes.
- *
- * Return in args->index the index into the entry[] array of either
- * the found entry, or where the entry should have been (insert before
- * that entry).
- *
- * Don't change the args->value unless we find the attribute.
- */
-int
-xfs_attr3_leaf_lookup_int(
-	struct xfs_buf		*bp,
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_attr_leaf_entry *entry;
-	struct xfs_attr_leaf_entry *entries;
-	struct xfs_attr_leaf_name_local *name_loc;
-	struct xfs_attr_leaf_name_remote *name_rmt;
-	xfs_dahash_t		hashval;
-	int			probe;
-	int			span;
-
-	trace_xfs_attr_leaf_lookup(args);
-
-	leaf = bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	entries = xfs_attr3_leaf_entryp(leaf);
-	ASSERT(ichdr.count < args->geo->blksize / 8);
-
-	/*
-	 * Binary search.  (note: small blocks will skip this loop)
-	 */
-	hashval = args->hashval;
-	probe = span = ichdr.count / 2;
-	for (entry = &entries[probe]; span > 4; entry = &entries[probe]) {
-		span /= 2;
-		if (be32_to_cpu(entry->hashval) < hashval)
-			probe += span;
-		else if (be32_to_cpu(entry->hashval) > hashval)
-			probe -= span;
-		else
-			break;
-	}
-	ASSERT(probe >= 0 && (!ichdr.count || probe < ichdr.count));
-	ASSERT(span <= 4 || be32_to_cpu(entry->hashval) == hashval);
-
-	/*
-	 * Since we may have duplicate hashval's, find the first matching
-	 * hashval in the leaf.
-	 */
-	while (probe > 0 && be32_to_cpu(entry->hashval) >= hashval) {
-		entry--;
-		probe--;
-	}
-	while (probe < ichdr.count &&
-	       be32_to_cpu(entry->hashval) < hashval) {
-		entry++;
-		probe++;
-	}
-	if (probe == ichdr.count || be32_to_cpu(entry->hashval) != hashval) {
-		args->index = probe;
-		return ENOATTR;
-	}
-
-	/*
-	 * Duplicate keys may be present, so search all of them for a match.
-	 */
-	for (; probe < ichdr.count && (be32_to_cpu(entry->hashval) == hashval);
-			entry++, probe++) {
-/*
- * GROT: Add code to remove incomplete entries.
- */
-		/*
-		 * If we are looking for INCOMPLETE entries, show only those.
-		 * If we are looking for complete entries, show only those.
-		 */
-		if ((args->flags & XFS_ATTR_INCOMPLETE) !=
-		    (entry->flags & XFS_ATTR_INCOMPLETE)) {
-			continue;
-		}
-		if (entry->flags & XFS_ATTR_LOCAL) {
-			name_loc = xfs_attr3_leaf_name_local(leaf, probe);
-			if (name_loc->namelen != args->namelen)
-				continue;
-			if (memcmp(args->name, name_loc->nameval,
-							args->namelen) != 0)
-				continue;
-			if (!xfs_attr_namesp_match(args->flags, entry->flags))
-				continue;
-			args->index = probe;
-			return EEXIST;
-		} else {
-			name_rmt = xfs_attr3_leaf_name_remote(leaf, probe);
-			if (name_rmt->namelen != args->namelen)
-				continue;
-			if (memcmp(args->name, name_rmt->name,
-							args->namelen) != 0)
-				continue;
-			if (!xfs_attr_namesp_match(args->flags, entry->flags))
-				continue;
-			args->index = probe;
-			args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen);
-			args->rmtblkno = be32_to_cpu(name_rmt->valueblk);
-			args->rmtblkcnt = xfs_attr3_rmt_blocks(
-							args->dp->i_mount,
-							args->rmtvaluelen);
-			return EEXIST;
-		}
-	}
-	args->index = probe;
-	return ENOATTR;
-}
-
-/*
- * Get the value associated with an attribute name from a leaf attribute
- * list structure.
- */
-int
-xfs_attr3_leaf_getvalue(
-	struct xfs_buf		*bp,
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_attr_leaf_entry *entry;
-	struct xfs_attr_leaf_name_local *name_loc;
-	struct xfs_attr_leaf_name_remote *name_rmt;
-	int			valuelen;
-
-	leaf = bp->b_addr;
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	ASSERT(ichdr.count < args->geo->blksize / 8);
-	ASSERT(args->index < ichdr.count);
-
-	entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
-	if (entry->flags & XFS_ATTR_LOCAL) {
-		name_loc = xfs_attr3_leaf_name_local(leaf, args->index);
-		ASSERT(name_loc->namelen == args->namelen);
-		ASSERT(memcmp(args->name, name_loc->nameval, args->namelen) == 0);
-		valuelen = be16_to_cpu(name_loc->valuelen);
-		if (args->flags & ATTR_KERNOVAL) {
-			args->valuelen = valuelen;
-			return 0;
-		}
-		if (args->valuelen < valuelen) {
-			args->valuelen = valuelen;
-			return ERANGE;
-		}
-		args->valuelen = valuelen;
-		memcpy(args->value, &name_loc->nameval[args->namelen], valuelen);
-	} else {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index);
-		ASSERT(name_rmt->namelen == args->namelen);
-		ASSERT(memcmp(args->name, name_rmt->name, args->namelen) == 0);
-		args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen);
-		args->rmtblkno = be32_to_cpu(name_rmt->valueblk);
-		args->rmtblkcnt = xfs_attr3_rmt_blocks(args->dp->i_mount,
-						       args->rmtvaluelen);
-		if (args->flags & ATTR_KERNOVAL) {
-			args->valuelen = args->rmtvaluelen;
-			return 0;
-		}
-		if (args->valuelen < args->rmtvaluelen) {
-			args->valuelen = args->rmtvaluelen;
-			return ERANGE;
-		}
-		args->valuelen = args->rmtvaluelen;
-	}
-	return 0;
-}
-
-/*========================================================================
- * Utility routines.
- *========================================================================*/
-
-/*
- * Move the indicated entries from one leaf to another.
- * NOTE: this routine modifies both source and destination leaves.
- */
-/*ARGSUSED*/
-STATIC void
-xfs_attr3_leaf_moveents(
-	struct xfs_da_args		*args,
-	struct xfs_attr_leafblock	*leaf_s,
-	struct xfs_attr3_icleaf_hdr	*ichdr_s,
-	int				start_s,
-	struct xfs_attr_leafblock	*leaf_d,
-	struct xfs_attr3_icleaf_hdr	*ichdr_d,
-	int				start_d,
-	int				count)
-{
-	struct xfs_attr_leaf_entry	*entry_s;
-	struct xfs_attr_leaf_entry	*entry_d;
-	int				desti;
-	int				tmp;
-	int				i;
-
-	/*
-	 * Check for nothing to do.
-	 */
-	if (count == 0)
-		return;
-
-	/*
-	 * Set up environment.
-	 */
-	ASSERT(ichdr_s->magic == XFS_ATTR_LEAF_MAGIC ||
-	       ichdr_s->magic == XFS_ATTR3_LEAF_MAGIC);
-	ASSERT(ichdr_s->magic == ichdr_d->magic);
-	ASSERT(ichdr_s->count > 0 && ichdr_s->count < args->geo->blksize / 8);
-	ASSERT(ichdr_s->firstused >= (ichdr_s->count * sizeof(*entry_s))
-					+ xfs_attr3_leaf_hdr_size(leaf_s));
-	ASSERT(ichdr_d->count < args->geo->blksize / 8);
-	ASSERT(ichdr_d->firstused >= (ichdr_d->count * sizeof(*entry_d))
-					+ xfs_attr3_leaf_hdr_size(leaf_d));
-
-	ASSERT(start_s < ichdr_s->count);
-	ASSERT(start_d <= ichdr_d->count);
-	ASSERT(count <= ichdr_s->count);
-
-
-	/*
-	 * Move the entries in the destination leaf up to make a hole?
-	 */
-	if (start_d < ichdr_d->count) {
-		tmp  = ichdr_d->count - start_d;
-		tmp *= sizeof(xfs_attr_leaf_entry_t);
-		entry_s = &xfs_attr3_leaf_entryp(leaf_d)[start_d];
-		entry_d = &xfs_attr3_leaf_entryp(leaf_d)[start_d + count];
-		memmove(entry_d, entry_s, tmp);
-	}
-
-	/*
-	 * Copy all entry's in the same (sorted) order,
-	 * but allocate attribute info packed and in sequence.
-	 */
-	entry_s = &xfs_attr3_leaf_entryp(leaf_s)[start_s];
-	entry_d = &xfs_attr3_leaf_entryp(leaf_d)[start_d];
-	desti = start_d;
-	for (i = 0; i < count; entry_s++, entry_d++, desti++, i++) {
-		ASSERT(be16_to_cpu(entry_s->nameidx) >= ichdr_s->firstused);
-		tmp = xfs_attr_leaf_entsize(leaf_s, start_s + i);
-#ifdef GROT
-		/*
-		 * Code to drop INCOMPLETE entries.  Difficult to use as we
-		 * may also need to change the insertion index.  Code turned
-		 * off for 6.2, should be revisited later.
-		 */
-		if (entry_s->flags & XFS_ATTR_INCOMPLETE) { /* skip partials? */
-			memset(xfs_attr3_leaf_name(leaf_s, start_s + i), 0, tmp);
-			ichdr_s->usedbytes -= tmp;
-			ichdr_s->count -= 1;
-			entry_d--;	/* to compensate for ++ in loop hdr */
-			desti--;
-			if ((start_s + i) < offset)
-				result++;	/* insertion index adjustment */
-		} else {
-#endif /* GROT */
-			ichdr_d->firstused -= tmp;
-			/* both on-disk, don't endian flip twice */
-			entry_d->hashval = entry_s->hashval;
-			entry_d->nameidx = cpu_to_be16(ichdr_d->firstused);
-			entry_d->flags = entry_s->flags;
-			ASSERT(be16_to_cpu(entry_d->nameidx) + tmp
-							<= args->geo->blksize);
-			memmove(xfs_attr3_leaf_name(leaf_d, desti),
-				xfs_attr3_leaf_name(leaf_s, start_s + i), tmp);
-			ASSERT(be16_to_cpu(entry_s->nameidx) + tmp
-							<= args->geo->blksize);
-			memset(xfs_attr3_leaf_name(leaf_s, start_s + i), 0, tmp);
-			ichdr_s->usedbytes -= tmp;
-			ichdr_d->usedbytes += tmp;
-			ichdr_s->count -= 1;
-			ichdr_d->count += 1;
-			tmp = ichdr_d->count * sizeof(xfs_attr_leaf_entry_t)
-					+ xfs_attr3_leaf_hdr_size(leaf_d);
-			ASSERT(ichdr_d->firstused >= tmp);
-#ifdef GROT
-		}
-#endif /* GROT */
-	}
-
-	/*
-	 * Zero out the entries we just copied.
-	 */
-	if (start_s == ichdr_s->count) {
-		tmp = count * sizeof(xfs_attr_leaf_entry_t);
-		entry_s = &xfs_attr3_leaf_entryp(leaf_s)[start_s];
-		ASSERT(((char *)entry_s + tmp) <=
-		       ((char *)leaf_s + args->geo->blksize));
-		memset(entry_s, 0, tmp);
-	} else {
-		/*
-		 * Move the remaining entries down to fill the hole,
-		 * then zero the entries at the top.
-		 */
-		tmp  = (ichdr_s->count - count) * sizeof(xfs_attr_leaf_entry_t);
-		entry_s = &xfs_attr3_leaf_entryp(leaf_s)[start_s + count];
-		entry_d = &xfs_attr3_leaf_entryp(leaf_s)[start_s];
-		memmove(entry_d, entry_s, tmp);
-
-		tmp = count * sizeof(xfs_attr_leaf_entry_t);
-		entry_s = &xfs_attr3_leaf_entryp(leaf_s)[ichdr_s->count];
-		ASSERT(((char *)entry_s + tmp) <=
-		       ((char *)leaf_s + args->geo->blksize));
-		memset(entry_s, 0, tmp);
-	}
-
-	/*
-	 * Fill in the freemap information
-	 */
-	ichdr_d->freemap[0].base = xfs_attr3_leaf_hdr_size(leaf_d);
-	ichdr_d->freemap[0].base += ichdr_d->count * sizeof(xfs_attr_leaf_entry_t);
-	ichdr_d->freemap[0].size = ichdr_d->firstused - ichdr_d->freemap[0].base;
-	ichdr_d->freemap[1].base = 0;
-	ichdr_d->freemap[2].base = 0;
-	ichdr_d->freemap[1].size = 0;
-	ichdr_d->freemap[2].size = 0;
-	ichdr_s->holes = 1;	/* leaf may not be compact */
-}
-
-/*
- * Pick up the last hashvalue from a leaf block.
- */
-xfs_dahash_t
-xfs_attr_leaf_lasthash(
-	struct xfs_buf	*bp,
-	int		*count)
-{
-	struct xfs_attr3_icleaf_hdr ichdr;
-	struct xfs_attr_leaf_entry *entries;
-
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, bp->b_addr);
-	entries = xfs_attr3_leaf_entryp(bp->b_addr);
-	if (count)
-		*count = ichdr.count;
-	if (!ichdr.count)
-		return 0;
-	return be32_to_cpu(entries[ichdr.count - 1].hashval);
-}
-
-/*
- * Calculate the number of bytes used to store the indicated attribute
- * (whether local or remote only calculate bytes in this block).
- */
-STATIC int
-xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index)
-{
-	struct xfs_attr_leaf_entry *entries;
-	xfs_attr_leaf_name_local_t *name_loc;
-	xfs_attr_leaf_name_remote_t *name_rmt;
-	int size;
-
-	entries = xfs_attr3_leaf_entryp(leaf);
-	if (entries[index].flags & XFS_ATTR_LOCAL) {
-		name_loc = xfs_attr3_leaf_name_local(leaf, index);
-		size = xfs_attr_leaf_entsize_local(name_loc->namelen,
-						   be16_to_cpu(name_loc->valuelen));
-	} else {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf, index);
-		size = xfs_attr_leaf_entsize_remote(name_rmt->namelen);
-	}
-	return size;
-}
-
-/*
- * Calculate the number of bytes that would be required to store the new
- * attribute (whether local or remote only calculate bytes in this block).
- * This routine decides as a side effect whether the attribute will be
- * a "local" or a "remote" attribute.
- */
-int
-xfs_attr_leaf_newentsize(
-	struct xfs_da_args	*args,
-	int			*local)
-{
-	int			size;
-
-	size = xfs_attr_leaf_entsize_local(args->namelen, args->valuelen);
-	if (size < xfs_attr_leaf_entsize_local_max(args->geo->blksize)) {
-		if (local)
-			*local = 1;
-		return size;
-	}
-	if (local)
-		*local = 0;
-	return xfs_attr_leaf_entsize_remote(args->namelen);
-}
-
-
-/*========================================================================
- * Manage the INCOMPLETE flag in a leaf entry
- *========================================================================*/
-
-/*
- * Clear the INCOMPLETE flag on an entry in a leaf block.
- */
-int
-xfs_attr3_leaf_clearflag(
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr_leaf_entry *entry;
-	struct xfs_attr_leaf_name_remote *name_rmt;
-	struct xfs_buf		*bp;
-	int			error;
-#ifdef DEBUG
-	struct xfs_attr3_icleaf_hdr ichdr;
-	xfs_attr_leaf_name_local_t *name_loc;
-	int namelen;
-	char *name;
-#endif /* DEBUG */
-
-	trace_xfs_attr_leaf_clearflag(args);
-	/*
-	 * Set up the operation.
-	 */
-	error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp);
-	if (error)
-		return error;
-
-	leaf = bp->b_addr;
-	entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
-	ASSERT(entry->flags & XFS_ATTR_INCOMPLETE);
-
-#ifdef DEBUG
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	ASSERT(args->index < ichdr.count);
-	ASSERT(args->index >= 0);
-
-	if (entry->flags & XFS_ATTR_LOCAL) {
-		name_loc = xfs_attr3_leaf_name_local(leaf, args->index);
-		namelen = name_loc->namelen;
-		name = (char *)name_loc->nameval;
-	} else {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index);
-		namelen = name_rmt->namelen;
-		name = (char *)name_rmt->name;
-	}
-	ASSERT(be32_to_cpu(entry->hashval) == args->hashval);
-	ASSERT(namelen == args->namelen);
-	ASSERT(memcmp(name, args->name, namelen) == 0);
-#endif /* DEBUG */
-
-	entry->flags &= ~XFS_ATTR_INCOMPLETE;
-	xfs_trans_log_buf(args->trans, bp,
-			 XFS_DA_LOGRANGE(leaf, entry, sizeof(*entry)));
-
-	if (args->rmtblkno) {
-		ASSERT((entry->flags & XFS_ATTR_LOCAL) == 0);
-		name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index);
-		name_rmt->valueblk = cpu_to_be32(args->rmtblkno);
-		name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen);
-		xfs_trans_log_buf(args->trans, bp,
-			 XFS_DA_LOGRANGE(leaf, name_rmt, sizeof(*name_rmt)));
-	}
-
-	/*
-	 * Commit the flag value change and start the next trans in series.
-	 */
-	return xfs_trans_roll(&args->trans, args->dp);
-}
-
-/*
- * Set the INCOMPLETE flag on an entry in a leaf block.
- */
-int
-xfs_attr3_leaf_setflag(
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf;
-	struct xfs_attr_leaf_entry *entry;
-	struct xfs_attr_leaf_name_remote *name_rmt;
-	struct xfs_buf		*bp;
-	int error;
-#ifdef DEBUG
-	struct xfs_attr3_icleaf_hdr ichdr;
-#endif
-
-	trace_xfs_attr_leaf_setflag(args);
-
-	/*
-	 * Set up the operation.
-	 */
-	error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp);
-	if (error)
-		return error;
-
-	leaf = bp->b_addr;
-#ifdef DEBUG
-	xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
-	ASSERT(args->index < ichdr.count);
-	ASSERT(args->index >= 0);
-#endif
-	entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
-
-	ASSERT((entry->flags & XFS_ATTR_INCOMPLETE) == 0);
-	entry->flags |= XFS_ATTR_INCOMPLETE;
-	xfs_trans_log_buf(args->trans, bp,
-			XFS_DA_LOGRANGE(leaf, entry, sizeof(*entry)));
-	if ((entry->flags & XFS_ATTR_LOCAL) == 0) {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index);
-		name_rmt->valueblk = 0;
-		name_rmt->valuelen = 0;
-		xfs_trans_log_buf(args->trans, bp,
-			 XFS_DA_LOGRANGE(leaf, name_rmt, sizeof(*name_rmt)));
-	}
-
-	/*
-	 * Commit the flag value change and start the next trans in series.
-	 */
-	return xfs_trans_roll(&args->trans, args->dp);
-}
-
-/*
- * In a single transaction, clear the INCOMPLETE flag on the leaf entry
- * given by args->blkno/index and set the INCOMPLETE flag on the leaf
- * entry given by args->blkno2/index2.
- *
- * Note that they could be in different blocks, or in the same block.
- */
-int
-xfs_attr3_leaf_flipflags(
-	struct xfs_da_args	*args)
-{
-	struct xfs_attr_leafblock *leaf1;
-	struct xfs_attr_leafblock *leaf2;
-	struct xfs_attr_leaf_entry *entry1;
-	struct xfs_attr_leaf_entry *entry2;
-	struct xfs_attr_leaf_name_remote *name_rmt;
-	struct xfs_buf		*bp1;
-	struct xfs_buf		*bp2;
-	int error;
-#ifdef DEBUG
-	struct xfs_attr3_icleaf_hdr ichdr1;
-	struct xfs_attr3_icleaf_hdr ichdr2;
-	xfs_attr_leaf_name_local_t *name_loc;
-	int namelen1, namelen2;
-	char *name1, *name2;
-#endif /* DEBUG */
-
-	trace_xfs_attr_leaf_flipflags(args);
-
-	/*
-	 * Read the block containing the "old" attr
-	 */
-	error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp1);
-	if (error)
-		return error;
-
-	/*
-	 * Read the block containing the "new" attr, if it is different
-	 */
-	if (args->blkno2 != args->blkno) {
-		error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno2,
-					   -1, &bp2);
-		if (error)
-			return error;
-	} else {
-		bp2 = bp1;
-	}
-
-	leaf1 = bp1->b_addr;
-	entry1 = &xfs_attr3_leaf_entryp(leaf1)[args->index];
-
-	leaf2 = bp2->b_addr;
-	entry2 = &xfs_attr3_leaf_entryp(leaf2)[args->index2];
-
-#ifdef DEBUG
-	xfs_attr3_leaf_hdr_from_disk(&ichdr1, leaf1);
-	ASSERT(args->index < ichdr1.count);
-	ASSERT(args->index >= 0);
-
-	xfs_attr3_leaf_hdr_from_disk(&ichdr2, leaf2);
-	ASSERT(args->index2 < ichdr2.count);
-	ASSERT(args->index2 >= 0);
-
-	if (entry1->flags & XFS_ATTR_LOCAL) {
-		name_loc = xfs_attr3_leaf_name_local(leaf1, args->index);
-		namelen1 = name_loc->namelen;
-		name1 = (char *)name_loc->nameval;
-	} else {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf1, args->index);
-		namelen1 = name_rmt->namelen;
-		name1 = (char *)name_rmt->name;
-	}
-	if (entry2->flags & XFS_ATTR_LOCAL) {
-		name_loc = xfs_attr3_leaf_name_local(leaf2, args->index2);
-		namelen2 = name_loc->namelen;
-		name2 = (char *)name_loc->nameval;
-	} else {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf2, args->index2);
-		namelen2 = name_rmt->namelen;
-		name2 = (char *)name_rmt->name;
-	}
-	ASSERT(be32_to_cpu(entry1->hashval) == be32_to_cpu(entry2->hashval));
-	ASSERT(namelen1 == namelen2);
-	ASSERT(memcmp(name1, name2, namelen1) == 0);
-#endif /* DEBUG */
-
-	ASSERT(entry1->flags & XFS_ATTR_INCOMPLETE);
-	ASSERT((entry2->flags & XFS_ATTR_INCOMPLETE) == 0);
-
-	entry1->flags &= ~XFS_ATTR_INCOMPLETE;
-	xfs_trans_log_buf(args->trans, bp1,
-			  XFS_DA_LOGRANGE(leaf1, entry1, sizeof(*entry1)));
-	if (args->rmtblkno) {
-		ASSERT((entry1->flags & XFS_ATTR_LOCAL) == 0);
-		name_rmt = xfs_attr3_leaf_name_remote(leaf1, args->index);
-		name_rmt->valueblk = cpu_to_be32(args->rmtblkno);
-		name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen);
-		xfs_trans_log_buf(args->trans, bp1,
-			 XFS_DA_LOGRANGE(leaf1, name_rmt, sizeof(*name_rmt)));
-	}
-
-	entry2->flags |= XFS_ATTR_INCOMPLETE;
-	xfs_trans_log_buf(args->trans, bp2,
-			  XFS_DA_LOGRANGE(leaf2, entry2, sizeof(*entry2)));
-	if ((entry2->flags & XFS_ATTR_LOCAL) == 0) {
-		name_rmt = xfs_attr3_leaf_name_remote(leaf2, args->index2);
-		name_rmt->valueblk = 0;
-		name_rmt->valuelen = 0;
-		xfs_trans_log_buf(args->trans, bp2,
-			 XFS_DA_LOGRANGE(leaf2, name_rmt, sizeof(*name_rmt)));
-	}
-
-	/*
-	 * Commit the flag value change and start the next trans in series.
-	 */
-	error = xfs_trans_roll(&args->trans, args->dp);
-
-	return error;
-}