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bitmask: remove bitmap_scnprintf_len()

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bitmap_scnprintf_len() is not used now, so we remove it.

Otherwise we have to maintain it and make its return
value always equal to bitmap_scnprintf()'s return value.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Lai Jiangshan 2008-10-18 20:28:21 -07:00 • committed by Linus Torvalds
parent 30e8e13603
commit c459643540
2 changed files with 0 additions and 12 deletions
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1
include/linux/bitmap.h
View file

@ -110,7 +110,6 @@ extern int __bitmap_weight(const unsigned long *bitmap, int bits);
extern int bitmap_scnprintf(char *buf, unsigned int len, extern int bitmap_scnprintf(char *buf, unsigned int len,
const unsigned long *src, int nbits); const unsigned long *src, int nbits);
extern int bitmap_scnprintf_len(unsigned int nr_bits);
extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user, extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,
unsigned long *dst, int nbits); unsigned long *dst, int nbits);
extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen, extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen,

11
lib/bitmap.c
View file

@ -315,17 +315,6 @@ int bitmap_scnprintf(char *buf, unsigned int buflen,
} }
EXPORT_SYMBOL(bitmap_scnprintf); EXPORT_SYMBOL(bitmap_scnprintf);
/**
* bitmap_scnprintf_len - return buffer length needed to convert
* bitmap to an ASCII hex string
* @nr_bits: number of bits to be converted
*/
int bitmap_scnprintf_len(unsigned int nr_bits)
{
unsigned int nr_nibbles = ALIGN(nr_bits, 4) / 4;
return nr_nibbles + ALIGN(nr_nibbles, CHUNKSZ / 4) / (CHUNKSZ / 4) - 1;
}
/** /**
* __bitmap_parse - convert an ASCII hex string into a bitmap. * __bitmap_parse - convert an ASCII hex string into a bitmap.
* @buf: pointer to buffer containing string. * @buf: pointer to buffer containing string.