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s390/cio: rename bitmap_size() -> idset_bitmap_size()

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bitmap_size() is a pretty generic name and one may want to use it for
a generic bitmap API function. At the same time, its logic is not
"generic", i.e. it's not just `nbits -> size of bitmap in bytes`
converter as it would be expected from its name.
Add the prefix 'idset_' used throughout the file where the function
resides.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Lobakin 2024-03-27 16:23:45 +01:00 committed by David S. Miller
parent 8fab6a9d72
commit c1023f5634
1 changed files with 6 additions and 4 deletions
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10
drivers/s390/cio/idset.c
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@ -16,7 +16,7 @@ struct idset {
unsigned long bitmap[]; unsigned long bitmap[];
}; };
static inline unsigned long bitmap_size(int num_ssid, int num_id) static inline unsigned long idset_bitmap_size(int num_ssid, int num_id)
{ {
return BITS_TO_LONGS(num_ssid * num_id) * sizeof(unsigned long); return BITS_TO_LONGS(num_ssid * num_id) * sizeof(unsigned long);
} }
@ -25,11 +25,12 @@ static struct idset *idset_new(int num_ssid, int num_id)
{ {
struct idset *set; struct idset *set;
set = vmalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id)); set = vmalloc(sizeof(struct idset) +
idset_bitmap_size(num_ssid, num_id));
if (set) { if (set) {
set->num_ssid = num_ssid; set->num_ssid = num_ssid;
set->num_id = num_id; set->num_id = num_id;
memset(set->bitmap, 0, bitmap_size(num_ssid, num_id)); memset(set->bitmap, 0, idset_bitmap_size(num_ssid, num_id));
} }
return set; return set;
} }
@ -41,7 +42,8 @@ void idset_free(struct idset *set)
void idset_fill(struct idset *set) void idset_fill(struct idset *set)
{ {
memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id)); memset(set->bitmap, 0xff,
idset_bitmap_size(set->num_ssid, set->num_id));
} }
static inline void idset_add(struct idset *set, int ssid, int id) static inline void idset_add(struct idset *set, int ssid, int id)