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xfs: initialize iomap->flags earlier in xfs_bmbt_to_iomap

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Otherwise we lose the IOMAP_IOEND_BOUNDARY assingment for writes to the
first block in a realtime group, and could cause incorrect merges for
such writes.

Fixes: b91afef724 ("xfs: don't merge ioends across RTGs")
Cc: <stable@vger.kernel.org> # v6.13
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Christoph Hellwig
2026-06-09 09:53:44 +02:00
committed by Carlos Maiolino
parent 44cccefe65
commit 327e58826e
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_iomap.c
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@@ -113,6 +113,7 @@ xfs_bmbt_to_iomap(
return xfs_alert_fsblock_zero(ip, imap);
}
iomap->flags = iomap_flags;
if (imap->br_startblock == HOLESTARTBLOCK) {
iomap->addr = IOMAP_NULL_ADDR;
iomap->type = IOMAP_HOLE;
@@ -143,7 +144,6 @@ xfs_bmbt_to_iomap(
}
iomap->offset = XFS_FSB_TO_B(mp, imap->br_startoff);
iomap->length = XFS_FSB_TO_B(mp, imap->br_blockcount);
iomap->flags = iomap_flags;
if (mapping_flags & IOMAP_DAX) {
iomap->dax_dev = target->bt_daxdev;
} else {