This introduces fls in lustre/ldlm/ldlm_extent.c to find the last set bit. Signed-off-by: Monam Agarwal <monamagarwal123@xxxxxxxxx> --- 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 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel