tree d9d901ea1c3401906553ef9e684a1094a1b3083a
parent 787f17feb204ed1c6331892fb8124b80dc9fe288
author NeilBrown <neilb@suse.de> 1179953890 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1179976454 -0700

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>