xfs: constrain dirty buffers while formatting a staged btree

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Constrain the number of dirty buffers that are locked by the btree
staging code at any given time by establishing a threshold at which we
put them all on the delwri queue and push them to disk.  This limits
memory consumption while writing out new btrees.

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

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Darrick J. Wong 2023-12-15 10:03:29 -08:00

parent 6dfeb0c2ec

commit e069d54970

3 changed files with 50 additions and 11 deletions

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50

fs/xfs/libxfs/xfs_btree_staging.c

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10

fs/xfs/libxfs/xfs_btree_staging.h

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1

fs/xfs/scrub/newbt.c

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