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-rw-r--r--fs/xfs/libxfs/xfs_bmap.c9
-rw-r--r--fs/xfs/libxfs/xfs_bmap.h3
2 files changed, 8 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 1ec3087bbb97..ee9f54bdf084 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4765,7 +4765,8 @@ xfs_bmap_del_extent(
xfs_btree_cur_t *cur, /* if null, not a btree */
xfs_bmbt_irec_t *del, /* data to remove from extents */
int *logflagsp, /* inode logging flags */
- int whichfork) /* data or attr fork */
+ int whichfork, /* data or attr fork */
+ int bflags) /* bmapi flags */
{
xfs_filblks_t da_new; /* new delay-alloc indirect blocks */
xfs_filblks_t da_old; /* old delay-alloc indirect blocks */
@@ -5057,7 +5058,7 @@ xfs_bmap_del_extent(
/*
* If we need to, add to list of extents to delete.
*/
- if (do_fx) {
+ if (do_fx && !(bflags & XFS_BMAPI_REMAP)) {
if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) {
error = xfs_refcount_decrease_extent(mp, dfops, del);
if (error)
@@ -5075,7 +5076,7 @@ xfs_bmap_del_extent(
/*
* Adjust quota data.
*/
- if (qfield)
+ if (qfield && !(bflags & XFS_BMAPI_REMAP))
xfs_trans_mod_dquot_byino(tp, ip, qfield, (long)-nblks);
/*
@@ -5400,7 +5401,7 @@ xfs_bunmapi(
cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL;
error = xfs_bmap_del_extent(ip, tp, &lastx, dfops, cur, &del,
- &tmp_logflags, whichfork);
+ &tmp_logflags, whichfork, flags);
logflags |= tmp_logflags;
if (error)
goto error0;
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 8e69b5329629..9c0406720d69 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -101,6 +101,9 @@ struct xfs_extent_free_item
* Map the inode offset to the block given in ap->firstblock. Primarily
* used for reflink. The range must be in a hole, and this flag cannot be
* turned on with PREALLOC or CONVERT, and cannot be used on the attr fork.
+ *
+ * For bunmapi, this flag unmaps the range without adjusting quota, reducing
+ * refcount, or freeing the blocks.
*/
#define XFS_BMAPI_REMAP 0x100
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