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Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  cciss: Add cciss_allow_hpsa module parameter
  cciss: Fix multiple calls to pci_release_regions
  blk-settings: fix function parameter kernel-doc notation
  writeback: kill space in debugfs item name
  writeback: account IO throttling wait as iowait
  elv_iosched_store(): fix strstrip() misuse
  cfq-iosched: avoid probable slice overrun when idling
  cfq-iosched: apply bool value where we return 0/1
  cfq-iosched: fix think time allowed for seekers
  cfq-iosched: fix the slice residual sign
  cfq-iosched: abstract out the 'may this cfqq dispatch' logic
  block: use proper BLK_RW_ASYNC in blk_queue_start_tag()
  block: Seperate read and write statistics of in_flight requests v2
  block: get rid of kblock_schedule_delayed_work()
  cfq-iosched: fix possible problem with jiffies wraparound
  cfq-iosched: fix issue with rq-rq merging and fifo list ordering
This commit is contained in:
Linus Torvalds
2009-10-13 10:21:33 -07:00
parent a3bafbbbb5 2ec24ff1d1
commit 80f506918f
15 changed files with 228 additions and 201 deletions
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4
include/linux/blkdev.h
View File

@@ -1172,11 +1172,7 @@ static inline void put_dev_sector(Sector p)
}
struct work_struct;
struct delayed_work;
int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
int kblockd_schedule_delayed_work(struct request_queue *q,
struct delayed_work *work,
unsigned long delay);
#define MODULE_ALIAS_BLOCKDEV(major,minor) \
MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))

21
include/linux/genhd.h
View File

@@ -98,7 +98,7 @@ struct hd_struct {
int make_it_fail;
#endif
unsigned long stamp;
int in_flight;
int in_flight[2];
#ifdef CONFIG_SMP
struct disk_stats *dkstats;
#else
@@ -322,18 +322,23 @@ static inline void free_part_stats(struct hd_struct *part)
#define part_stat_sub(cpu, gendiskp, field, subnd) \
part_stat_add(cpu, gendiskp, field, -subnd)
static inline void part_inc_in_flight(struct hd_struct *part)
static inline void part_inc_in_flight(struct hd_struct *part, int rw)
{
part->in_flight++;
part->in_flight[rw]++;
if (part->partno)
part_to_disk(part)->part0.in_flight++;
part_to_disk(part)->part0.in_flight[rw]++;
}
static inline void part_dec_in_flight(struct hd_struct *part)
static inline void part_dec_in_flight(struct hd_struct *part, int rw)
{
part->in_flight--;
part->in_flight[rw]--;
if (part->partno)
part_to_disk(part)->part0.in_flight--;
part_to_disk(part)->part0.in_flight[rw]--;
}
static inline int part_in_flight(struct hd_struct *part)
{
return part->in_flight[0] + part->in_flight[1];
}
/* block/blk-core.c */
@@ -546,6 +551,8 @@ extern ssize_t part_size_show(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t part_stat_show(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t part_inflight_show(struct device *dev,
struct device_attribute *attr, char *buf);
#ifdef CONFIG_FAIL_MAKE_REQUEST
extern ssize_t part_fail_show(struct device *dev,
struct device_attribute *attr, char *buf);