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authorDave Chinner <dchinner@redhat.com>2014-06-25 06:57:36 +0200
committerDave Chinner <david@fromorbit.com>2014-06-25 06:57:36 +0200
commit84be0ffc9043f7c56044294eb775a2200452c76d (patch)
treef92ae3d2a8ddfc0c98c76c434432f42b7c14ac0d /fs/xfs/xfs_ialloc.h
parentxfs: create libxfs infrastructure (diff)
downloadlinux-84be0ffc9043f7c56044294eb775a2200452c76d.tar.xz
linux-84be0ffc9043f7c56044294eb775a2200452c76d.zip
libxfs: move header files
Move all the header 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>
Diffstat (limited to 'fs/xfs/xfs_ialloc.h')
-rw-r--r--fs/xfs/xfs_ialloc.h163
1 files changed, 0 insertions, 163 deletions
diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/xfs_ialloc.h
deleted file mode 100644
index 95ad1c002d60..000000000000
--- a/fs/xfs/xfs_ialloc.h
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (c) 2000,2005 Silicon Graphics, 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
- */
-#ifndef __XFS_IALLOC_H__
-#define __XFS_IALLOC_H__
-
-struct xfs_buf;
-struct xfs_dinode;
-struct xfs_imap;
-struct xfs_mount;
-struct xfs_trans;
-struct xfs_btree_cur;
-
-/* Move inodes in clusters of this size */
-#define XFS_INODE_BIG_CLUSTER_SIZE 8192
-
-/* Calculate and return the number of filesystem blocks per inode cluster */
-static inline int
-xfs_icluster_size_fsb(
- struct xfs_mount *mp)
-{
- if (mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size)
- return 1;
- return mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog;
-}
-
-/*
- * Make an inode pointer out of the buffer/offset.
- */
-static inline struct xfs_dinode *
-xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
-{
- return (struct xfs_dinode *)
- (xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog));
-}
-
-/*
- * Allocate an inode on disk.
- * Mode is used to tell whether the new inode will need space, and whether
- * it is a directory.
- *
- * To work within the constraint of one allocation per transaction,
- * xfs_dialloc() is designed to be called twice if it has to do an
- * allocation to make more free inodes. If an inode is
- * available without an allocation, agbp would be set to the current
- * agbp and alloc_done set to false.
- * If an allocation needed to be done, agbp would be set to the
- * inode header of the allocation group and alloc_done set to true.
- * The caller should then commit the current transaction and allocate a new
- * transaction. xfs_dialloc() should then be called again with
- * the agbp value returned from the previous call.
- *
- * Once we successfully pick an inode its number is returned and the
- * on-disk data structures are updated. The inode itself is not read
- * in, since doing so would break ordering constraints with xfs_reclaim.
- *
- * *agbp should be set to NULL on the first call, *alloc_done set to FALSE.
- */
-int /* error */
-xfs_dialloc(
- struct xfs_trans *tp, /* transaction pointer */
- xfs_ino_t parent, /* parent inode (directory) */
- umode_t mode, /* mode bits for new inode */
- int okalloc, /* ok to allocate more space */
- struct xfs_buf **agbp, /* buf for a.g. inode header */
- xfs_ino_t *inop); /* inode number allocated */
-
-/*
- * Free disk inode. Carefully avoids touching the incore inode, all
- * manipulations incore are the caller's responsibility.
- * The on-disk inode is not changed by this operation, only the
- * btree (free inode mask) is changed.
- */
-int /* error */
-xfs_difree(
- struct xfs_trans *tp, /* transaction pointer */
- xfs_ino_t inode, /* inode to be freed */
- struct xfs_bmap_free *flist, /* extents to free */
- int *deleted, /* set if inode cluster was deleted */
- xfs_ino_t *first_ino); /* first inode in deleted cluster */
-
-/*
- * Return the location of the inode in imap, for mapping it into a buffer.
- */
-int
-xfs_imap(
- struct xfs_mount *mp, /* file system mount structure */
- struct xfs_trans *tp, /* transaction pointer */
- xfs_ino_t ino, /* inode to locate */
- struct xfs_imap *imap, /* location map structure */
- uint flags); /* flags for inode btree lookup */
-
-/*
- * Compute and fill in value of m_in_maxlevels.
- */
-void
-xfs_ialloc_compute_maxlevels(
- struct xfs_mount *mp); /* file system mount structure */
-
-/*
- * Log specified fields for the ag hdr (inode section)
- */
-void
-xfs_ialloc_log_agi(
- struct xfs_trans *tp, /* transaction pointer */
- struct xfs_buf *bp, /* allocation group header buffer */
- int fields); /* bitmask of fields to log */
-
-/*
- * Read in the allocation group header (inode allocation section)
- */
-int /* error */
-xfs_ialloc_read_agi(
- struct xfs_mount *mp, /* file system mount structure */
- struct xfs_trans *tp, /* transaction pointer */
- xfs_agnumber_t agno, /* allocation group number */
- struct xfs_buf **bpp); /* allocation group hdr buf */
-
-/*
- * Read in the allocation group header to initialise the per-ag data
- * in the mount structure
- */
-int
-xfs_ialloc_pagi_init(
- struct xfs_mount *mp, /* file system mount structure */
- struct xfs_trans *tp, /* transaction pointer */
- xfs_agnumber_t agno); /* allocation group number */
-
-/*
- * Lookup a record by ino in the btree given by cur.
- */
-int xfs_inobt_lookup(struct xfs_btree_cur *cur, xfs_agino_t ino,
- xfs_lookup_t dir, int *stat);
-
-/*
- * Get the data from the pointed-to record.
- */
-int xfs_inobt_get_rec(struct xfs_btree_cur *cur,
- xfs_inobt_rec_incore_t *rec, int *stat);
-
-/*
- * Inode chunk initialisation routine
- */
-int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp,
- struct list_head *buffer_list,
- xfs_agnumber_t agno, xfs_agblock_t agbno,
- xfs_agblock_t length, unsigned int gen);
-
-#endif /* __XFS_IALLOC_H__ */