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authorDarrick J. Wong <djwong@kernel.org>2022-11-29 04:24:35 +0300
committerDarrick J. Wong <djwong@kernel.org>2022-11-29 04:24:35 +0300
commitc2beff99eb03866df6fdbd3a93b08fd27eb8bf5c (patch)
treec3d0a1f8b6b0750cc5549d0e2a7c749d7d4bc821 /samples/hw_breakpoint
parent7dd73802f97d2a1602b1cf5c1d6623fb08cb15c5 (diff)
downloadlinux-c2beff99eb03866df6fdbd3a93b08fd27eb8bf5c.tar.xz
xfs: add debug knob to slow down writeback for fun
Add a new error injection knob so that we can arbitrarily slow down writeback to test for race conditions and aberrant reclaim behavior if the writeback mechanisms are slow to issue writeback. This will enable functional testing for the ifork sequence counters introduced in commit 745b3f76d1c8 ("xfs: maintain a sequence count for inode fork manipulations"). Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
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