Replace while blocksize;shift by fls -1
Suggested-By: Joe Perches <j...@perches.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Fabian Frederick <f...@skynet.be>
---
v2: rebased on top of mmots
compiles without including bitops
fs/hfsplus/wrapper.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 284c90f..8e8cf50d 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -231,9 +231,7 @@ reread:
if (blocksize < HFSPLUS_SECTOR_SIZE || ((blocksize - 1) & blocksize))
goto out_free_backup_vhdr;
sbi->alloc_blksz = blocksize;
- sbi->alloc_blksz_shift = 0;
- while ((blocksize >>= 1) != 0)
- sbi->alloc_blksz_shift++;
+ sbi->alloc_blksz_shift = fls(blocksize) - 1;
blocksize = min_t(u32, sbi->alloc_blksz, PAGE_SIZE);
/*
--
1.8.4.5
--
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