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Revision 85643586677c877f28891200e0cb9514547af589 authored by Linus Torvalds on 14 February 2014, 18:33:13 UTC, committed by Linus Torvalds on 14 February 2014, 18:33:13 UTC 
Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
 
Pull hwmon fix from Guenter Roeck:
 "Fix arithmetic overflow in ntc_thermistor driver"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (ntc_thermistor) Avoid math overflow
2 parent s 0a33d88 + d3d89c4
Raw File
blk-mq-tag.h 
#ifndef INT_BLK_MQ_TAG_H
#define INT_BLK_MQ_TAG_H

struct blk_mq_tags;

extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags, unsigned int reserved_tags, int node);
extern void blk_mq_free_tags(struct blk_mq_tags *tags);

extern unsigned int blk_mq_get_tag(struct blk_mq_tags *tags, gfp_t gfp, bool reserved);
extern void blk_mq_wait_for_tags(struct blk_mq_tags *tags);
extern void blk_mq_put_tag(struct blk_mq_tags *tags, unsigned int tag);
extern void blk_mq_tag_busy_iter(struct blk_mq_tags *tags, void (*fn)(void *data, unsigned long *), void *data);
extern bool blk_mq_has_free_tags(struct blk_mq_tags *tags);
extern ssize_t blk_mq_tag_sysfs_show(struct blk_mq_tags *tags, char *page);

enum {
	BLK_MQ_TAG_CACHE_MIN	= 1,
	BLK_MQ_TAG_CACHE_MAX	= 64,
};

enum {
	BLK_MQ_TAG_FAIL		= -1U,
	BLK_MQ_TAG_MIN		= BLK_MQ_TAG_CACHE_MIN,
	BLK_MQ_TAG_MAX		= BLK_MQ_TAG_FAIL - 1,
};

#endif
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