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authorIngo Molnar2017-10-14 10:11:45 +0200
committerIngo Molnar2017-10-14 10:11:45 +0200
commit6edcf57233108df2e50ab5d3fa695ea958b4c779 (patch)
tree7f233132de3cf1d438ac5ca51cfa6e9c48f8b86f /fs/xfs/xfs_bmap_util.c
parentx86/unwinder: Make CONFIG_UNWINDER_ORC=y the default in the 64-bit defconfig (diff)
parentobjtool: Upgrade libelf-devel warning to error for CONFIG_ORC_UNWINDER (diff)
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Merge branch 'core/urgent' into x86/asm, to pick up dependency
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_bmap_util.c')
-rw-r--r--fs/xfs/xfs_bmap_util.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index cd9a5400ba4f..bc6c6e10a969 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -1459,7 +1459,19 @@ xfs_shift_file_space(
return error;
/*
- * The extent shiting code works on extent granularity. So, if
+ * Clean out anything hanging around in the cow fork now that
+ * we've flushed all the dirty data out to disk to avoid having
+ * CoW extents at the wrong offsets.
+ */
+ if (xfs_is_reflink_inode(ip)) {
+ error = xfs_reflink_cancel_cow_range(ip, offset, NULLFILEOFF,
+ true);
+ if (error)
+ return error;
+ }
+
+ /*
+ * The extent shifting code works on extent granularity. So, if
* stop_fsb is not the starting block of extent, we need to split
* the extent at stop_fsb.
*/