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authorNeilBrown <neilb@suse.de>2006-07-10 04:44:15 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-10 13:24:16 -0700
commit0b8c9de05c2a860fe6b02fedcb48763bcee648b3 (patch)
tree893228041dfcc44a216a6887e75c2424e0a8bca9 /include
parent31b65a0d3894566191b91fbadd122c354a363b5d (diff)
[PATCH] md: delay starting md threads until array is completely setup
When an array is started we start one or two threads (two if there is a reshape or recovery that needs to be completed). We currently start these *before* the array is completely set up and in particular before queue->queuedata is set. If the thread actually starts very quickly on another CPU, we can end up dereferencing queue->queuedata and oops. This patch also makes sure we don't try to start a recovery if a reshape is being restarted. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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