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authorNeilBrown <neilb@suse.de>2006-02-02 14:28:05 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-02 15:07:12 -0800
commit978f946bb628ef228e13aadf4d4255b8727c4fc3 (patch)
treef50dbda1faae2962fdd8c6517d4bc65d3c168862 /drivers/md/raid6main.c
parentf0ca340cd20b350eab8288974e9a6077900846e8 (diff)
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[PATCH] md: Don't remove bitmap from md array when switching to read-only
While a read-only array doesn't not really need a bitmap, we should not remove the bitmap when switching an array to read-only because a/ There is no code to re-add the bitmap which switching to read-write, b/ There is insufficient locking - the bitmap could be accessed while it is being removed. Cc: Reuben Farrelly <reuben-lkml@reub.net> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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