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Diffstat (limited to 'fs/xfs/xfs_bmap_util.c')
-rw-r--r--fs/xfs/xfs_bmap_util.c94
1 files changed, 61 insertions, 33 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 3bf4ad0d19e4..3b6309865c65 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -57,37 +57,67 @@ xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb)
}
/*
+ * Routine to zero an extent on disk allocated to the specific inode.
+ *
+ * The VFS functions take a linearised filesystem block offset, so we have to
+ * convert the sparse xfs fsb to the right format first.
+ * VFS types are real funky, too.
+ */
+int
+xfs_zero_extent(
+ struct xfs_inode *ip,
+ xfs_fsblock_t start_fsb,
+ xfs_off_t count_fsb)
+{
+ struct xfs_mount *mp = ip->i_mount;
+ xfs_daddr_t sector = xfs_fsb_to_db(ip, start_fsb);
+ sector_t block = XFS_BB_TO_FSBT(mp, sector);
+ ssize_t size = XFS_FSB_TO_B(mp, count_fsb);
+
+ if (IS_DAX(VFS_I(ip)))
+ return dax_clear_sectors(xfs_find_bdev_for_inode(VFS_I(ip)),
+ sector, size);
+
+ /*
+ * let the block layer decide on the fastest method of
+ * implementing the zeroing.
+ */
+ return sb_issue_zeroout(mp->m_super, block, count_fsb, GFP_NOFS);
+
+}
+
+/*
* Routine to be called at transaction's end by xfs_bmapi, xfs_bunmapi
* caller. Frees all the extents that need freeing, which must be done
* last due to locking considerations. We never free any extents in
* the first transaction.
*
- * Return 1 if the given transaction was committed and a new one
- * started, and 0 otherwise in the committed parameter.
+ * If an inode *ip is provided, rejoin it to the transaction if
+ * the transaction was committed.
*/
int /* error */
xfs_bmap_finish(
struct xfs_trans **tp, /* transaction pointer addr */
struct xfs_bmap_free *flist, /* i/o: list extents to free */
- int *committed)/* xact committed or not */
+ struct xfs_inode *ip)
{
struct xfs_efd_log_item *efd; /* extent free data */
struct xfs_efi_log_item *efi; /* extent free intention */
int error; /* error return value */
+ int committed;/* xact committed or not */
struct xfs_bmap_free_item *free; /* free extent item */
struct xfs_bmap_free_item *next; /* next item on free list */
ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES);
- if (flist->xbf_count == 0) {
- *committed = 0;
+ if (flist->xbf_count == 0)
return 0;
- }
+
efi = xfs_trans_get_efi(*tp, flist->xbf_count);
for (free = flist->xbf_first; free; free = free->xbfi_next)
xfs_trans_log_efi_extent(*tp, efi, free->xbfi_startblock,
free->xbfi_blockcount);
- error = __xfs_trans_roll(tp, NULL, committed);
+ error = __xfs_trans_roll(tp, ip, &committed);
if (error) {
/*
* If the transaction was committed, drop the EFD reference
@@ -99,16 +129,13 @@ xfs_bmap_finish(
* transaction so we should return committed=1 even though we're
* returning an error.
*/
- if (*committed) {
+ if (committed) {
xfs_efi_release(efi);
xfs_force_shutdown((*tp)->t_mountp,
(error == -EFSCORRUPTED) ?
SHUTDOWN_CORRUPT_INCORE :
SHUTDOWN_META_IO_ERROR);
- } else {
- *committed = 1;
}
-
return error;
}
@@ -176,10 +203,12 @@ xfs_bmap_rtalloc(
ralen = MAXEXTLEN / mp->m_sb.sb_rextsize;
/*
- * Lock out other modifications to the RT bitmap inode.
+ * Lock out modifications to both the RT bitmap and summary inodes
*/
xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(ap->tp, mp->m_rbmip, XFS_ILOCK_EXCL);
+ xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(ap->tp, mp->m_rsumip, XFS_ILOCK_EXCL);
/*
* If it's an allocation to an empty file at offset 0,
@@ -229,6 +258,13 @@ xfs_bmap_rtalloc(
xfs_trans_mod_dquot_byino(ap->tp, ap->ip,
ap->wasdel ? XFS_TRANS_DQ_DELRTBCOUNT :
XFS_TRANS_DQ_RTBCOUNT, (long) ralen);
+
+ /* Zero the extent if we were asked to do so */
+ if (ap->userdata & XFS_ALLOC_USERDATA_ZERO) {
+ error = xfs_zero_extent(ap->ip, ap->blkno, ap->length);
+ if (error)
+ return error;
+ }
} else {
ap->length = 0;
}
@@ -788,7 +824,7 @@ bool
xfs_can_free_eofblocks(struct xfs_inode *ip, bool force)
{
/* prealloc/delalloc exists only on regular files */
- if (!S_ISREG(ip->i_d.di_mode))
+ if (!S_ISREG(VFS_I(ip)->i_mode))
return false;
/*
@@ -933,7 +969,6 @@ xfs_alloc_file_space(
xfs_bmbt_irec_t imaps[1], *imapp;
xfs_bmap_free_t free_list;
uint qblocks, resblks, resrtextents;
- int committed;
int error;
trace_xfs_alloc_file_space(ip);
@@ -1027,24 +1062,21 @@ xfs_alloc_file_space(
xfs_bmap_init(&free_list, &firstfsb);
error = xfs_bmapi_write(tp, ip, startoffset_fsb,
allocatesize_fsb, alloc_type, &firstfsb,
- 0, imapp, &nimaps, &free_list);
- if (error) {
+ resblks, imapp, &nimaps, &free_list);
+ if (error)
goto error0;
- }
/*
* Complete the transaction
*/
- error = xfs_bmap_finish(&tp, &free_list, &committed);
- if (error) {
+ error = xfs_bmap_finish(&tp, &free_list, NULL);
+ if (error)
goto error0;
- }
error = xfs_trans_commit(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
- if (error) {
+ if (error)
break;
- }
allocated_fsb = imapp->br_blockcount;
@@ -1170,7 +1202,6 @@ xfs_free_file_space(
xfs_off_t offset,
xfs_off_t len)
{
- int committed;
int done;
xfs_fileoff_t endoffset_fsb;
int error;
@@ -1206,7 +1237,7 @@ xfs_free_file_space(
/* wait for the completion of any pending DIOs */
inode_dio_wait(VFS_I(ip));
- rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE);
+ rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_SIZE);
ioffset = round_down(offset, rounding);
iendoffset = round_up(offset + len, rounding) - 1;
error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, ioffset,
@@ -1310,17 +1341,15 @@ xfs_free_file_space(
error = xfs_bunmapi(tp, ip, startoffset_fsb,
endoffset_fsb - startoffset_fsb,
0, 2, &firstfsb, &free_list, &done);
- if (error) {
+ if (error)
goto error0;
- }
/*
* complete the transaction
*/
- error = xfs_bmap_finish(&tp, &free_list, &committed);
- if (error) {
+ error = xfs_bmap_finish(&tp, &free_list, NULL);
+ if (error)
goto error0;
- }
error = xfs_trans_commit(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
@@ -1398,7 +1427,6 @@ xfs_shift_file_space(
int error;
struct xfs_bmap_free free_list;
xfs_fsblock_t first_block;
- int committed;
xfs_fileoff_t stop_fsb;
xfs_fileoff_t next_fsb;
xfs_fileoff_t shift_fsb;
@@ -1438,7 +1466,7 @@ xfs_shift_file_space(
if (error)
return error;
error = invalidate_inode_pages2_range(VFS_I(ip)->i_mapping,
- offset >> PAGE_CACHE_SHIFT, -1);
+ offset >> PAGE_SHIFT, -1);
if (error)
return error;
@@ -1490,7 +1518,7 @@ xfs_shift_file_space(
if (error)
goto out_bmap_cancel;
- error = xfs_bmap_finish(&tp, &free_list, &committed);
+ error = xfs_bmap_finish(&tp, &free_list, NULL);
if (error)
goto out_bmap_cancel;
@@ -1701,7 +1729,7 @@ xfs_swap_extents(
xfs_lock_two_inodes(ip, tip, XFS_MMAPLOCK_EXCL);
/* Verify that both files have the same format */
- if ((ip->i_d.di_mode & S_IFMT) != (tip->i_d.di_mode & S_IFMT)) {
+ if ((VFS_I(ip)->i_mode & S_IFMT) != (VFS_I(tip)->i_mode & S_IFMT)) {
error = -EINVAL;
goto out_unlock;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 13:52:25 +0100