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authorNeil Brown <neilb@notabene.brown>2008-06-28 08:31:14 +1000
committerNeil Brown <neilb@notabene.brown>2008-06-28 08:31:14 +1000
commitefe311431869b40d67911820a309f9a1a41306f3 (patch)
tree3496fb7eca85cd629c19cd23afb5341007e9fa21 /sound/i2c/Makefile
parent8c2e870a625bd336b2e7a65a97c1836acef07322 (diff)
Don't acknowlege that stripe-expand is complete until it really is.
We shouldn't acknowledge that a stripe has been expanded (When reshaping a raid5 by adding a device) until the moved data has actually been written out. However we are currently acknowledging (by calling md_done_sync) when the POST_XOR is complete and before the write. So track in s.locked whether there are pending writes, and don't call md_done_sync yet if there are. Note: we all set R5_LOCKED on devices which are are about to read from. This probably isn't technically necessary, but is usually done when writing a block, and justifies the use of s.locked here. This bug can lead to a crash if an array is stopped while an reshape is in progress. Cc: <stable@kernel.org> Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'sound/i2c/Makefile')
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