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authorPaul Clements <paul.clements@steeleye.com>2006-10-03 01:16:01 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:04:18 -0700
commita638b2dc951c4cafea31b34a1db1c3d94809649e (patch)
tree73c1c2135a117290308b5807b6ede21389e3264c /include
parent14f50b49fdab8f4c9fc87b55d3631e3bf1ffd385 (diff)
[PATCH] md: use ffz instead of find_first_set to convert multiplier to shift
find_first_set doesn't find the least-significant bit on bigendian machines, so it is really wrong to use it. ffs is closer, but takes an 'int' and we have a 'unsigned long'. So use ffz(~X) to convert a chunksize into a chunkshift. 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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