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authorDan Williams <dan.j.williams@intel.com>2007-10-22 20:45:11 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-23 08:32:06 -0700
commit4ae3f847e49e3787eca91bced31f8fd328d50496 (patch)
tree9fab60c4898e49cf1cf04e360dc63ae1d0ef5bd2 /mm/mprotect.c
parent85bfb4da8cad483a4e550ec89060d05a4daf895b (diff)
downloadlinux-4ae3f847e49e3787eca91bced31f8fd328d50496.tar.bz2
md: raid5: fix clearing of biofill operations
ops_complete_biofill() runs outside of spin_lock(&sh->lock) and clears the 'pending' and 'ack' bits. Since the test_and_ack_op() macro only checks against 'complete' it can get an inconsistent snapshot of pending work. Move the clearing of these bits to handle_stripe5(), under the lock. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Tested-by: Joel Bertrand <joel.bertrand@systella.fr> Signed-off-by: Neil Brown <neilb@suse.de> Cc: Stable <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mprotect.c')
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