mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-15 16:42:22 -04:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'block-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/block

Browse Source 
* 'block-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/block:
  [PATCH] fix rmmod problems with elevator attributes, clean them up
  [PATCH] elevator_t lifetime rules and sysfs fixes
  [PATCH] noise removal: cfq-iosched.c
  [PATCH] don't bother with refcounting for cfq_data
  [PATCH] fix sysfs interaction and lifetime rules handling for queues
  [PATCH] regularize blk_cleanup_queue() use
  [PATCH] fix cfq_get_queue()/ioprio_set(2) races
  [PATCH] deal with rmmod/put_io_context() races
  [PATCH] stop elv_unregister() from rogering other iosched's data, fix locking
  [PATCH] stop cfq from pinning queue down
  [PATCH] make cfq_exit_queue() prune the cfq_io_context for that queue
  [PATCH] fix the exclusion for ioprio_set()
  [PATCH] keep sync and async cfq_queue separate
  [PATCH] switch to use of ->key to get cfq_data by cfq_io_context
  [PATCH] stop leaking cfq_data in cfq_set_request()
  [PATCH] fix cfq hash lookups
  [PATCH] fix locking in queue_requests_store()
  [PATCH] fix double-free in blk_init_queue_node()
  [PATCH] don't do exit_io_context() until we know we won't be doing any IO
This commit is contained in:
Linus Torvalds
2006-03-20 10:28:51 -08:00
parent 7705a8792b e572ec7e4e
commit a90779bfc8
14 changed files with 472 additions and 464 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/linux/blkdev.h
View File

@@ -58,7 +58,7 @@ struct cfq_io_context {
* circular list of cfq_io_contexts belonging to a process io context
*/
struct list_head list;
struct cfq_queue *cfqq;
struct cfq_queue *cfqq[2];
void *key;
struct io_context *ioc;
@@ -69,6 +69,8 @@ struct cfq_io_context {
unsigned long ttime_samples;
unsigned long ttime_mean;
struct list_head queue_list;
void (*dtor)(struct cfq_io_context *);
void (*exit)(struct cfq_io_context *);
};
@@ -404,8 +406,6 @@ struct request_queue
struct blk_queue_tag *queue_tags;
atomic_t refcnt;
unsigned int nr_sorted;
unsigned int in_flight;
@@ -424,6 +424,8 @@ struct request_queue
struct request pre_flush_rq, bar_rq, post_flush_rq;
struct request *orig_bar_rq;
unsigned int bi_size;
struct mutex sysfs_lock;
};
#define RQ_INACTIVE (-1)
@@ -725,7 +727,7 @@ extern long nr_blockdev_pages(void);
int blk_get_queue(request_queue_t *);
request_queue_t *blk_alloc_queue(gfp_t);
request_queue_t *blk_alloc_queue_node(gfp_t, int);
#define blk_put_queue(q) blk_cleanup_queue((q))
extern void blk_put_queue(request_queue_t *);
/*
* tag stuff

10
include/linux/elevator.h
View File

@@ -48,10 +48,17 @@ struct elevator_ops
elevator_init_fn *elevator_init_fn;
elevator_exit_fn *elevator_exit_fn;
void (*trim)(struct io_context *);
};
#define ELV_NAME_MAX (16)
struct elv_fs_entry {
struct attribute attr;
ssize_t (*show)(elevator_t *, char *);
ssize_t (*store)(elevator_t *, const char *, size_t);
};
/*
* identifies an elevator type, such as AS or deadline
*/
@@ -60,7 +67,7 @@ struct elevator_type
struct list_head list;
struct elevator_ops ops;
struct elevator_type *elevator_type;
struct kobj_type *elevator_ktype;
struct elv_fs_entry *elevator_attrs;
char elevator_name[ELV_NAME_MAX];
struct module *elevator_owner;
};
@@ -74,6 +81,7 @@ struct elevator_queue
void *elevator_data;
struct kobject kobj;
struct elevator_type *elevator_type;
struct mutex sysfs_lock;
};
/*