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xfs: force rebuilding of metadata [v26.1]

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This patchset adds a new IFLAG to the scrub ioctl so that userspace can
 force a rebuild of an otherwise consistent piece of metadata.  This will
 eventually enable the use of online repair to relocate metadata during a
 filesystem reorganization (e.g. shrink).  For now, it facilitates stress
 testing of online repair without needing the debugging knobs to be
 enabled.
 
 This has been running on the djcloud for years with no problems.  Enjoy!
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'repair-force-rebuild-6.6_2023-08-10' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into xfs-6.6-mergeA

xfs: force rebuilding of metadata

This patchset adds a new IFLAG to the scrub ioctl so that userspace can
force a rebuild of an otherwise consistent piece of metadata.  This will
eventually enable the use of online repair to relocate metadata during a
filesystem reorganization (e.g. shrink).  For now, it facilitates stress
testing of online repair without needing the debugging knobs to be
enabled.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>

* tag 'repair-force-rebuild-6.6_2023-08-10' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux:
  xfs: allow userspace to rebuild metadata structures
  xfs: don't complain about unfixed metadata when repairs were injected
This commit is contained in:
Chandan Babu R 2023-08-18 13:32:43 +05:30
commit 5221002c05
4 changed files with 31 additions and 8 deletions
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