xfs: don't merge ioends across RTGs

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Unlike AGs, RTGs don't always have metadata in their first blocks, and
thus we don't get automatic protection from merging I/O completions
across RTG boundaries.  Add code to set the IOMAP_F_BOUNDARY flag for
ioends that start at the first block of a RTG so that they never get
merged into the previous ioend.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

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This commit is contained in:

Darrick J. Wong 2024-11-03 20:19:28 -08:00

parent 44e69c9af1

commit b91afef724

2 changed files with 21 additions and 1 deletions

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9

fs/xfs/libxfs/xfs_rtgroup.h

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13

fs/xfs/xfs_iomap.c

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