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bitmap, cpumask, nodemask: remove dedicated formatting functions 

Now that all bitmap formatting usages have been converted to
'%*pb[l]', the separate formatting functions are unnecessary.  The
following functions are removed.

* bitmap_scn[list]printf()
* cpumask_scnprintf(), cpulist_scnprintf()
* [__]nodemask_scnprintf(), [__]nodelist_scnprintf()
* seq_bitmap[_list](), seq_cpumask[_list](), seq_nodemask[_list]()
* seq_buf_bitmask()

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tejun Heo 2015-02-13 14:38:15 -08:00 committed by Linus Torvalds
parent ccbd59c1c1
commit 46385326cc
8 changed files with 7 additions and 201 deletions
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32
fs/seq_file.c
View File

@ -539,38 +539,6 @@ int seq_dentry(struct seq_file *m, struct dentry *dentry, const char *esc)
return res;
}
int seq_bitmap(struct seq_file *m, const unsigned long *bits,
unsigned int nr_bits)
{
if (m->count < m->size) {
int len = bitmap_scnprintf(m->buf + m->count,
m->size - m->count, bits, nr_bits);
if (m->count + len < m->size) {
m->count += len;
return 0;
}
}
seq_set_overflow(m);
return -1;
}
EXPORT_SYMBOL(seq_bitmap);
int seq_bitmap_list(struct seq_file *m, const unsigned long *bits,
unsigned int nr_bits)
{
if (m->count < m->size) {
int len = bitmap_scnlistprintf(m->buf + m->count,
m->size - m->count, bits, nr_bits);
if (m->count + len < m->size) {
m->count += len;
return 0;
}
}
seq_set_overflow(m);
return -1;
}
EXPORT_SYMBOL(seq_bitmap_list);
static void *single_start(struct seq_file *p, loff_t *pos)
{
return NULL + (*pos == 0);

7
include/linux/bitmap.h
View File

@ -52,16 +52,13 @@
* bitmap_bitremap(oldbit, old, new, nbits) newbit = map(old, new)(oldbit)
* bitmap_onto(dst, orig, relmap, nbits) *dst = orig relative to relmap
* bitmap_fold(dst, orig, sz, nbits) dst bits = orig bits mod sz
* bitmap_scnprintf(buf, len, src, nbits) Print bitmap src to buf
* bitmap_parse(buf, buflen, dst, nbits) Parse bitmap dst from kernel buf
* bitmap_parse_user(ubuf, ulen, dst, nbits) Parse bitmap dst from user buf
* bitmap_scnlistprintf(buf, len, src, nbits) Print bitmap src as list to buf
* bitmap_parselist(buf, dst, nbits) Parse bitmap dst from kernel buf
* bitmap_parselist_user(buf, dst, nbits) Parse bitmap dst from user buf
* bitmap_find_free_region(bitmap, bits, order) Find and allocate bit region
* bitmap_release_region(bitmap, pos, order) Free specified bit region
* bitmap_allocate_region(bitmap, pos, order) Allocate specified bit region
* bitmap_print_to_pagebuf(list, buf, mask, nbits) Print bitmap src as list/hex
*/
/*
@ -147,14 +144,10 @@ bitmap_find_next_zero_area(unsigned long *map,
align_mask, 0);
}
extern int bitmap_scnprintf(char *buf, unsigned int len,
const unsigned long *src, int nbits);
extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,
unsigned long *dst, int nbits);
extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen,
unsigned long *dst, int nbits);
extern int bitmap_scnlistprintf(char *buf, unsigned int len,
const unsigned long *src, int nbits);
extern int bitmap_parselist(const char *buf, unsigned long *maskp,
int nmaskbits);
extern int bitmap_parselist_user(const char __user *ubuf, unsigned int ulen,

31
include/linux/cpumask.h
View File

@ -546,21 +546,6 @@ static inline void cpumask_copy(struct cpumask *dstp,
*/
#define cpumask_of(cpu) (get_cpu_mask(cpu))
/**
* cpumask_scnprintf - print a cpumask into a string as comma-separated hex
* @buf: the buffer to sprintf into
* @len: the length of the buffer
* @srcp: the cpumask to print
*
* If len is zero, returns zero. Otherwise returns the length of the
* (nul-terminated) @buf string.
*/
static inline int cpumask_scnprintf(char *buf, int len,
const struct cpumask *srcp)
{
return bitmap_scnprintf(buf, len, cpumask_bits(srcp), nr_cpu_ids);
}
/**
* cpumask_parse_user - extract a cpumask from a user string
* @buf: the buffer to extract from
@ -590,22 +575,6 @@ static inline int cpumask_parselist_user(const char __user *buf, int len,
nr_cpu_ids);
}
/**
* cpulist_scnprintf - print a cpumask into a string as comma-separated list
* @buf: the buffer to sprintf into
* @len: the length of the buffer
* @srcp: the cpumask to print
*
* If len is zero, returns zero. Otherwise returns the length of the
* (nul-terminated) @buf string.
*/
static inline int cpulist_scnprintf(char *buf, int len,
const struct cpumask *srcp)
{
return bitmap_scnlistprintf(buf, len, cpumask_bits(srcp),
nr_cpu_ids);
}
/**
* cpumask_parse - extract a cpumask from from a string
* @buf: the buffer to extract from

33
include/linux/nodemask.h
View File

@ -8,14 +8,13 @@
* See detailed comments in the file linux/bitmap.h describing the
* data type on which these nodemasks are based.
*
* For details of nodemask_scnprintf() and nodemask_parse_user(),
* see bitmap_scnprintf() and bitmap_parse_user() in lib/bitmap.c.
* For details of nodelist_scnprintf() and nodelist_parse(), see
* bitmap_scnlistprintf() and bitmap_parselist(), also in bitmap.c.
* For details of node_remap(), see bitmap_bitremap in lib/bitmap.c.
* For details of nodes_remap(), see bitmap_remap in lib/bitmap.c.
* For details of nodes_onto(), see bitmap_onto in lib/bitmap.c.
* For details of nodes_fold(), see bitmap_fold in lib/bitmap.c.
* For details of nodemask_parse_user(), see bitmap_parse_user() in
* lib/bitmap.c. For details of nodelist_parse(), see bitmap_parselist(),
* also in bitmap.c. For details of node_remap(), see bitmap_bitremap in
* lib/bitmap.c. For details of nodes_remap(), see bitmap_remap in
* lib/bitmap.c. For details of nodes_onto(), see bitmap_onto in
* lib/bitmap.c. For details of nodes_fold(), see bitmap_fold in
* lib/bitmap.c.
*
* The available nodemask operations are:
*
@ -52,9 +51,7 @@
* NODE_MASK_NONE Initializer - no bits set
* unsigned long *nodes_addr(mask) Array of unsigned long's in mask
*
* int nodemask_scnprintf(buf, len, mask) Format nodemask for printing
* int nodemask_parse_user(ubuf, ulen, mask) Parse ascii string as nodemask
* int nodelist_scnprintf(buf, len, mask) Format nodemask as list for printing
* int nodelist_parse(buf, map) Parse ascii string as nodelist
* int node_remap(oldbit, old, new) newbit = map(old, new)(oldbit)
* void nodes_remap(dst, src, old, new) *dst = map(old, new)(src)
@ -312,14 +309,6 @@ static inline int __first_unset_node(const nodemask_t *maskp)
#define nodes_addr(src) ((src).bits)
#define nodemask_scnprintf(buf, len, src) \
__nodemask_scnprintf((buf), (len), &(src), MAX_NUMNODES)
static inline int __nodemask_scnprintf(char *buf, int len,
const nodemask_t *srcp, int nbits)
{
return bitmap_scnprintf(buf, len, srcp->bits, nbits);
}
#define nodemask_parse_user(ubuf, ulen, dst) \
__nodemask_parse_user((ubuf), (ulen), &(dst), MAX_NUMNODES)
static inline int __nodemask_parse_user(const char __user *buf, int len,
@ -328,14 +317,6 @@ static inline int __nodemask_parse_user(const char __user *buf, int len,
return bitmap_parse_user(buf, len, dstp->bits, nbits);
}
#define nodelist_scnprintf(buf, len, src) \
__nodelist_scnprintf((buf), (len), &(src), MAX_NUMNODES)
static inline int __nodelist_scnprintf(char *buf, int len,
const nodemask_t *srcp, int nbits)
{
return bitmap_scnlistprintf(buf, len, srcp->bits, nbits);
}
#define nodelist_parse(buf, dst) __nodelist_parse((buf), &(dst), MAX_NUMNODES)
static inline int __nodelist_parse(const char *buf, nodemask_t *dstp, int nbits)
{

3
include/linux/seq_buf.h
View File

@ -125,9 +125,6 @@ extern int seq_buf_putmem_hex(struct seq_buf *s, const void *mem,
unsigned int len);
extern int seq_buf_path(struct seq_buf *s, const struct path *path, const char *esc);
extern int seq_buf_bitmask(struct seq_buf *s, const unsigned long *maskp,
int nmaskbits);
#ifdef CONFIG_BINARY_PRINTF
extern int
seq_buf_bprintf(struct seq_buf *s, const char *fmt, const u32 *binary);

25
include/linux/seq_file.h
View File

@ -126,31 +126,6 @@ int seq_path(struct seq_file *, const struct path *, const char *);
int seq_dentry(struct seq_file *, struct dentry *, const char *);
int seq_path_root(struct seq_file *m, const struct path *path,
const struct path *root, const char *esc);
int seq_bitmap(struct seq_file *m, const unsigned long *bits,
unsigned int nr_bits);
static inline int seq_cpumask(struct seq_file *m, const struct cpumask *mask)
{
return seq_bitmap(m, cpumask_bits(mask), nr_cpu_ids);
}
static inline int seq_nodemask(struct seq_file *m, nodemask_t *mask)
{
return seq_bitmap(m, mask->bits, MAX_NUMNODES);
}
int seq_bitmap_list(struct seq_file *m, const unsigned long *bits,
unsigned int nr_bits);
static inline int seq_cpumask_list(struct seq_file *m,
const struct cpumask *mask)
{
return seq_bitmap_list(m, cpumask_bits(mask), nr_cpu_ids);
}
static inline int seq_nodemask_list(struct seq_file *m, nodemask_t *mask)
{
return seq_bitmap_list(m, mask->bits, MAX_NUMNODES);
}
int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
int single_open_size(struct file *, int (*)(struct seq_file *, void *), void *, size_t);

41
lib/bitmap.c
View File

@ -369,24 +369,6 @@ EXPORT_SYMBOL(bitmap_find_next_zero_area_off);
#define nbits_to_hold_value(val) fls(val)
#define BASEDEC 10 /* fancier cpuset lists input in decimal */
/**
* bitmap_scnprintf - convert bitmap to an ASCII hex string.
* @buf: byte buffer into which string is placed
* @buflen: reserved size of @buf, in bytes
* @maskp: pointer to bitmap to convert
* @nmaskbits: size of bitmap, in bits
*
* Exactly @nmaskbits bits are displayed. Hex digits are grouped into
* comma-separated sets of eight digits per set. Returns the number of
* characters which were written to *buf, excluding the trailing \0.
*/
int bitmap_scnprintf(char *buf, unsigned int buflen,
const unsigned long *maskp, int nmaskbits)
{
return scnprintf(buf, buflen, "%*pb", nmaskbits, maskp);
}
EXPORT_SYMBOL(bitmap_scnprintf);
/**
* __bitmap_parse - convert an ASCII hex string into a bitmap.
* @buf: pointer to buffer containing string.
@ -500,29 +482,6 @@ int bitmap_parse_user(const char __user *ubuf,
}
EXPORT_SYMBOL(bitmap_parse_user);
/**
* bitmap_scnlistprintf - convert bitmap to list format ASCII string
* @buf: byte buffer into which string is placed
* @buflen: reserved size of @buf, in bytes
* @maskp: pointer to bitmap to convert
* @nmaskbits: size of bitmap, in bits
*
* Output format is a comma-separated list of decimal numbers and
* ranges. Consecutively set bits are shown as two hyphen-separated
* decimal numbers, the smallest and largest bit numbers set in
* the range. Output format is compatible with the format
* accepted as input by bitmap_parselist().
*
* The return value is the number of characters which were written to *buf
* excluding the trailing '\0', as per ISO C99's scnprintf.
*/
int bitmap_scnlistprintf(char *buf, unsigned int buflen,
const unsigned long *maskp, int nmaskbits)
{
return scnprintf(buf, buflen, "%*pbl", nmaskbits, maskp);
}
EXPORT_SYMBOL(bitmap_scnlistprintf);
/**
* bitmap_print_to_pagebuf - convert bitmap to list or hex format ASCII string
* @list: indicates whether the bitmap must be list

36
lib/seq_buf.c
View File

@ -91,42 +91,6 @@ int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
return ret;
}
/**
* seq_buf_bitmask - write a bitmask array in its ASCII representation
* @s: seq_buf descriptor
* @maskp: points to an array of unsigned longs that represent a bitmask
* @nmaskbits: The number of bits that are valid in @maskp
*
* Writes a ASCII representation of a bitmask string into @s.
*
* Returns zero on success, -1 on overflow.
*/
int seq_buf_bitmask(struct seq_buf *s, const unsigned long *maskp,
int nmaskbits)
{
unsigned int len = seq_buf_buffer_left(s);
int ret;
WARN_ON(s->size == 0);
/*
* Note, because bitmap_scnprintf() only returns the number of bytes
* written and not the number that would be written, we use the last
* byte of the buffer to let us know if we overflowed. There's a small
* chance that the bitmap could have fit exactly inside the buffer, but
* it's not that critical if that does happen.
*/
if (len > 1) {
ret = bitmap_scnprintf(s->buffer + s->len, len, maskp, nmaskbits);
if (ret < len) {
s->len += ret;
return 0;
}
}
seq_buf_set_overflow(s);
return -1;
}
#ifdef CONFIG_BINARY_PRINTF
/**
* seq_buf_bprintf - Write the printf string from binary arguments