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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-13 13:21:33 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-13 13:21:33 -0400
commit80f506918fdaaca6b574ba931536a58ce015c7be (patch)
tree938bddf32e8c5dca114cb1a5f3ca2a62960accc8 /include/linux
parenta3bafbbbb5ac49355aa35e6a722eac6ef1dff19a (diff)
parent2ec24ff1d1875defa742c76c9c7d74dca06b7e1f (diff)
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* '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
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/blkdev.h4
-rw-r--r--include/linux/genhd.h21
2 files changed, 14 insertions, 11 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 25119041e034..221cecd86bd3 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1172,11 +1172,7 @@ static inline void put_dev_sector(Sector p)
1172} 1172}
1173 1173
1174struct work_struct; 1174struct work_struct;
1175struct delayed_work;
1176int kblockd_schedule_work(struct request_queue *q, struct work_struct *work); 1175int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
1177int kblockd_schedule_delayed_work(struct request_queue *q,
1178 struct delayed_work *work,
1179 unsigned long delay);
1180 1176
1181#define MODULE_ALIAS_BLOCKDEV(major,minor) \ 1177#define MODULE_ALIAS_BLOCKDEV(major,minor) \
1182 MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor)) 1178 MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 7beaa21b3880..297df45ffd0a 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -98,7 +98,7 @@ struct hd_struct {
98 int make_it_fail; 98 int make_it_fail;
99#endif 99#endif
100 unsigned long stamp; 100 unsigned long stamp;
101 int in_flight; 101 int in_flight[2];
102#ifdef CONFIG_SMP 102#ifdef CONFIG_SMP
103 struct disk_stats *dkstats; 103 struct disk_stats *dkstats;
104#else 104#else
@@ -322,18 +322,23 @@ static inline void free_part_stats(struct hd_struct *part)
322#define part_stat_sub(cpu, gendiskp, field, subnd) \ 322#define part_stat_sub(cpu, gendiskp, field, subnd) \
323 part_stat_add(cpu, gendiskp, field, -subnd) 323 part_stat_add(cpu, gendiskp, field, -subnd)
324 324
325static inline void part_inc_in_flight(struct hd_struct *part) 325static inline void part_inc_in_flight(struct hd_struct *part, int rw)
326{ 326{
327 part->in_flight++; 327 part->in_flight[rw]++;
328 if (part->partno) 328 if (part->partno)
329 part_to_disk(part)->part0.in_flight++; 329 part_to_disk(part)->part0.in_flight[rw]++;
330} 330}
331 331
332static inline void part_dec_in_flight(struct hd_struct *part) 332static inline void part_dec_in_flight(struct hd_struct *part, int rw)
333{ 333{
334 part->in_flight--; 334 part->in_flight[rw]--;
335 if (part->partno) 335 if (part->partno)
336 part_to_disk(part)->part0.in_flight--; 336 part_to_disk(part)->part0.in_flight[rw]--;
337}
338
339static inline int part_in_flight(struct hd_struct *part)
340{
341 return part->in_flight[0] + part->in_flight[1];
337} 342}
338 343
339/* block/blk-core.c */ 344/* block/blk-core.c */
@@ -546,6 +551,8 @@ extern ssize_t part_size_show(struct device *dev,
546 struct device_attribute *attr, char *buf); 551 struct device_attribute *attr, char *buf);
547extern ssize_t part_stat_show(struct device *dev, 552extern ssize_t part_stat_show(struct device *dev,
548 struct device_attribute *attr, char *buf); 553 struct device_attribute *attr, char *buf);
554extern ssize_t part_inflight_show(struct device *dev,
555 struct device_attribute *attr, char *buf);
549#ifdef CONFIG_FAIL_MAKE_REQUEST 556#ifdef CONFIG_FAIL_MAKE_REQUEST
550extern ssize_t part_fail_show(struct device *dev, 557extern ssize_t part_fail_show(struct device *dev,
551 struct device_attribute *attr, char *buf); 558 struct device_attribute *attr, char *buf);