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[105/110] xfs: xfs_bmap_finish_one should map unwritten extents properly

Message ID 171142132890.2215168.13861034094254308324.stgit@frogsfrogsfrogs (mailing list archive)
State New
Headers show
Series [001/110] xfs: convert kmem_zalloc() to kzalloc() | expand

Commit Message

Darrick J. Wong March 26, 2024, 3:55 a.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Source kernel commit: 6c8127e93e3ac9c2cf6a13b885dd2d057b7e7d50

The deferred bmap work state and the log item can transmit unwritten
state, so the XFS_BMAP_MAP handler must map in extents with that
unwritten state.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 libxfs/xfs_bmap.c |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index f09ec3dfe0c9..70476c54927a 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -6239,6 +6239,8 @@  xfs_bmap_finish_one(
 
 	switch (bi->bi_type) {
 	case XFS_BMAP_MAP:
+		if (bi->bi_bmap.br_state == XFS_EXT_UNWRITTEN)
+			flags |= XFS_BMAPI_PREALLOC;
 		error = xfs_bmapi_remap(tp, bi->bi_owner, bmap->br_startoff,
 				bmap->br_blockcount, bmap->br_startblock,
 				flags);