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sbitmap: Delete sbitmap_any_bit_clear()

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Since the only caller of this function has been deleted, delete this one
also.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
John Garry 2019-11-14 01:27:22 +08:00 committed by Jens Axboe
parent cb711b91a3
commit 708edafa88
2 changed files with 0 additions and 26 deletions
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9
include/linux/sbitmap.h
View File

@ -216,15 +216,6 @@ int sbitmap_get_shallow(struct sbitmap *sb, unsigned int alloc_hint,
*/
bool sbitmap_any_bit_set(const struct sbitmap *sb);
/**
* sbitmap_any_bit_clear() - Check for an unset bit in a &struct
* sbitmap.
* @sb: Bitmap to check.
*
* Return: true if any bit in the bitmap is clear, false otherwise.
*/
bool sbitmap_any_bit_clear(const struct sbitmap *sb);
#define SB_NR_TO_INDEX(sb, bitnr) ((bitnr) >> (sb)->shift)
#define SB_NR_TO_BIT(sb, bitnr) ((bitnr) & ((1U << (sb)->shift) - 1U))

17
lib/sbitmap.c
View File

@ -236,23 +236,6 @@ bool sbitmap_any_bit_set(const struct sbitmap *sb)
}
EXPORT_SYMBOL_GPL(sbitmap_any_bit_set);
bool sbitmap_any_bit_clear(const struct sbitmap *sb)
{
unsigned int i;
for (i = 0; i < sb->map_nr; i++) {
const struct sbitmap_word *word = &sb->map[i];
unsigned long mask = word->word & ~word->cleared;
unsigned long ret;
ret = find_first_zero_bit(&mask, word->depth);
if (ret < word->depth)
return true;
}
return false;
}
EXPORT_SYMBOL_GPL(sbitmap_any_bit_clear);
static unsigned int __sbitmap_weight(const struct sbitmap *sb, bool set)
{
unsigned int i, weight = 0;