Messages in this thread Patch in this message | | | From | Monam Agarwal <> | Subject | [PATCH v3] Staging: lustre: Use of fls to find last set bit | Date | Sun, 12 Jan 2014 01:45:51 +0530 |
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This introduces fls in lustre/ldlm/ldlm_extent.c to find the last set bit.
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com> --- Changes since v1: * Incorrect commit message * Use of fls function Changes since v2: * Removal of extra variable
drivers/staging/lustre/lustre/ldlm/ldlm_extent.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c index ac5d66a..a4f382d 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c @@ -153,7 +153,7 @@ static inline int lock_mode_to_index(ldlm_mode_t mode) LASSERT(mode != 0); LASSERT(IS_PO2(mode)); - for (index = -1; mode; index++, mode >>= 1) ; + index = fls(mode)-1; LASSERT(index < LCK_MODE_NUM); return index; } -- 1.7.9.5
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