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(parent: 787f17f) | patch
md: don't write more than is required of the last page of a bitmap
authorNeilBrown <neilb@suse.de>
Wed, 23 May 2007 20:58:10 +0000 (13:58 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 24 May 2007 03:14:14 +0000 (20:14 -0700)
commitab6085c795a71b6a21afe7469d30a365338add7a
treed9d901ea1c3401906553ef9e684a1094a1b3083atree | snapshot (tar.gz zip)
parent787f17feb204ed1c6331892fb8124b80dc9fe288commit | diff
md: don't write more than is required of the last page of a bitmap

It is possible that real data or metadata follows the bitmap without full page
alignment.

So limit the last write to be only the required number of bytes, rounded up to
the hard sector size of the device.

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/md/bitmap.c diff | blob | blame | history
include/linux/raid/bitmap.h diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)