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xfs: Propagate errors from xfs_reflink_cancel_cow_range in xfs_dax_write_iomap_end

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BugLink: https://bugs.launchpad.net/bugs/2114239

commit fb95897b8c60653805aa09daec575ca30983f768 upstream.

In xfs_dax_write_iomap_end(), directly return the result of
xfs_reflink_cancel_cow_range() when !written, ensuring proper
error propagation and improving code robustness.

Fixes: ea6c49b784 ("xfs: support CoW in fsdax mode")
Cc: stable@vger.kernel.org # v6.0
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Noah Wager <noah.wager@canonical.com>
Signed-off-by: Mehmet Basaran <mehmet.basaran@canonical.com>
This commit is contained in:
Wentao Liang
2025-01-24 11:22:28 +08:00
committed by Mehmet Basaran
parent e94810ef82
commit 747bbdf6bd
1 changed files with 2 additions and 4 deletions
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fs/xfs/xfs_iomap.c
+2 -4
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@@ -923,10 +923,8 @@ xfs_dax_write_iomap_end(
if (!xfs_is_cow_inode(ip))
return 0;
if (!written) {
xfs_reflink_cancel_cow_range(ip, pos, length, true);
return 0;
}
if (!written)
return xfs_reflink_cancel_cow_range(ip, pos, length, true);
return xfs_reflink_end_cow(ip, pos, written);
}