Messages in this thread Patch in this message | | | Date | Fri, 16 May 2014 22:38:15 +0200 | From | Fabian Frederick <> | Subject | [PATCH V2 mmots] fs/hfsplus/wrapper.c: replace shift loop by fls |
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Replace while blocksize;shift by fls -1
Suggested-By: Joe Perches <joe@perches.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Fabian Frederick <fabf@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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