By inspection, xfs_bmap_trace_exlist isn't handling cow forks,
and will trace the data fork instead.
Fix this by setting state appropriately if whichfork
== XFS_COW_FORK.
()___()
< @ @ >
| |
{o_o}
(|)
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index b085f9b..93df173 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -504,7 +504,7 @@ static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)
xfs_bmap_trace_exlist(
xfs_inode_t *ip, /* incore inode pointer */
xfs_extnum_t cnt, /* count of entries in the list */
- int whichfork, /* data or attr fork */
+ int whichfork, /* data or attr or cow fork */
unsigned long caller_ip)
{
xfs_extnum_t idx; /* extent record index */
@@ -513,6 +513,8 @@ static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)
if (whichfork == XFS_ATTR_FORK)
state |= BMAP_ATTRFORK;
+ else if (whichfork == XFS_COW_FORK)
+ state |= BMAP_COWFORK;
ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(cnt == (ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)));
--
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