This introduces fls in lustre/ldlm/ldlm_extent.c
to find the last set bit.
Signed-off-by: Monam Agarwal <monamagarwal...@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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