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xfs: vectorize scrub kernel calls [v13.4 7/9]

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Create a vectorized version of the metadata scrub and repair ioctl, and
 adapt xfs_scrub to use that.  This mitigates the impact of system call
 overhead on xfs_scrub runtime.
 
 This has been running on the djcloud for months with no problems.  Enjoy!
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'vectorized-scrub-6.10_2024-04-23' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into xfs-6.10-mergeC

xfs: vectorize scrub kernel calls

Create a vectorized version of the metadata scrub and repair ioctl, and
adapt xfs_scrub to use that.  This mitigates the impact of system call
overhead on xfs_scrub runtime.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>

* tag 'vectorized-scrub-6.10_2024-04-23' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux:
  xfs: introduce vectored scrub mode
  xfs: move xfs_ioc_scrub_metadata to scrub.c
  xfs: reduce the rate of cond_resched calls inside scrub
This commit is contained in:
Chandan Babu R 2024-04-24 12:22:07 +05:30
commit 496baa2cb9
10 changed files with 366 additions and 59 deletions
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