Now that all users of the function are switched to the alternatives, drop the function.
Signed-off-by: Yury Norov <[email protected]> --- include/linux/bitmap-str.h | 1 - lib/bitmap-str.c | 42 +++++--------------------------------- 2 files changed, 5 insertions(+), 38 deletions(-) diff --git a/include/linux/bitmap-str.h b/include/linux/bitmap-str.h index 53d3e1b32d3d..abe7a69a846f 100644 --- a/include/linux/bitmap-str.h +++ b/include/linux/bitmap-str.h @@ -5,7 +5,6 @@ #include <linux/types.h> int bitmap_parse_user(const char __user *ubuf, unsigned int ulen, unsigned long *dst, int nbits); -int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, int nmaskbits); int bitmap_print_bitmask_to_buf(char *buf, const unsigned long *maskp, int nmaskbits, loff_t off, size_t count); int bitmap_print_list_to_buf(char *buf, const unsigned long *maskp, int nmaskbits, diff --git a/lib/bitmap-str.c b/lib/bitmap-str.c index a357342d5d6c..49f4118c5cd3 100644 --- a/lib/bitmap-str.c +++ b/lib/bitmap-str.c @@ -39,32 +39,6 @@ int bitmap_parse_user(const char __user *ubuf, } EXPORT_SYMBOL(bitmap_parse_user); -/** - * bitmap_print_to_pagebuf - convert bitmap to list or hex format ASCII string - * @list: indicates whether the bitmap must be list - * @buf: page aligned buffer into which string is placed - * @maskp: pointer to bitmap to convert - * @nmaskbits: size of bitmap, in bits - * - * Output format is a comma-separated list of decimal numbers and - * ranges if list is specified or hex digits grouped into comma-separated - * sets of 8 digits/set. Returns the number of characters written to buf. - * - * It is assumed that @buf is a pointer into a PAGE_SIZE, page-aligned - * area and that sufficient storage remains at @buf to accommodate the - * bitmap_print_to_pagebuf() output. Returns the number of characters - * actually printed to @buf, excluding terminating '\0'. - */ -int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, - int nmaskbits) -{ - ptrdiff_t len = rest_of_page(buf); - - return list ? scnprintf(buf, len, "%*pbl\n", nmaskbits, maskp) : - scnprintf(buf, len, "%*pb\n", nmaskbits, maskp); -} -EXPORT_SYMBOL(bitmap_print_to_pagebuf); - /** * bitmap_print_to_buf - convert bitmap to list or hex format ASCII string * @list: indicates whether the bitmap must be list @@ -101,7 +75,7 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp, * @off: in the string from which we are copying, We copy to @buf * @count: the maximum number of bytes to print * - * The bitmap_print_to_pagebuf() is used indirectly via its cpumap wrapper + * The sprintf("%*pbl") is used indirectly via its cpumap wrapper * cpumap_print_to_pagebuf() or directly by drivers to export hexadecimal * bitmask and decimal list to userspace by sysfs ABI. * Drivers might be using a normal attribute for this kind of ABIs. A @@ -111,18 +85,11 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp, * struct device_attribute *attr, char *buf) * { * ... - * return bitmap_print_to_pagebuf(true, buf, &mask, nr_trig_max); + * return scnprintf(buf, rest_of_page(buf), nr_trig_max, &mask); * } * * show entry of attribute has no offset and count parameters and this * means the file is limited to one page only. - * bitmap_print_to_pagebuf() API works terribly well for this kind of - * normal attribute with buf parameter and without offset, count:: - * - * bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, - * int nmaskbits) - * { - * } * * The problem is once we have a large bitmap, we have a chance to get a * bitmask or list more than one page. Especially for list, it could be @@ -149,7 +116,7 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp, * * The role of cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf() * is similar with cpumap_print_to_pagebuf(), the difference is that - * bitmap_print_to_pagebuf() mainly serves sysfs attribute with the assumption + * scnprintf("%*pb[l]") mainly serves sysfs attribute with the assumption * the destination buffer is exactly one page and won't be more than one page. * cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf(), on the other * hand, mainly serves bin_attribute which doesn't work with exact one page, @@ -158,7 +125,8 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp, * * WARNING! * - * This function is not a replacement for sprintf() or bitmap_print_to_pagebuf(). + * This function is not a replacement for sprintf(). + * * It is intended to workaround sysfs limitations discussed above and should be * used carefully in general case for the following reasons: * -- 2.43.0
