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staging/lustre: Use roundup_pow_of_two() in LNetEQAlloc()

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Use roundup_pow_of_two() and drop the private cfs_power2_roundup()
implementation.

Signed-off-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pekka Enberg
2015-05-15 21:40:20 +03:00
committed by Greg Kroah-Hartman
parent 36fc244869
commit 322489d9d5
2 changed files with 1 additions and 14 deletions
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13
drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
View File

@@ -496,19 +496,6 @@ static inline size_t cfs_round_strlen(char *fset)
return (size_t)cfs_size_round((int)strlen(fset) + 1);
}
/* roundup \a val to power2 */
static inline unsigned int cfs_power2_roundup(unsigned int val)
{
if (val != LOWEST_BIT_SET(val)) { /* not a power of 2 already */
do {
val &= ~LOWEST_BIT_SET(val);
} while (val != LOWEST_BIT_SET(val));
/* ...and round up */
val <<= 1;
}
return val;
}
#define LOGL(var, len, ptr) \
do { \
if (var) \

2
drivers/staging/lustre/lnet/lnet/lib-eq.c
View File

@@ -79,7 +79,7 @@ LNetEQAlloc(unsigned int count, lnet_eq_handler_t callback,
* overflow, they don't skip entries, so the queue has the same
* apparent capacity at all times */
count = cfs_power2_roundup(count);
count = roundup_pow_of_two(count);
if (callback != LNET_EQ_HANDLER_NONE && count != 0)
CWARN("EQ callback is guaranteed to get every event, do you still want to set eqcount %d for polling event which will have locking overhead? Please contact with developer to confirm\n", count);