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| author | Shaohua Li <shli@kernel.org> | 2012-10-11 04:34:00 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-10-11 04:34:00 +0200 |
| commit | 4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46 (patch) | |
| tree | 3bb77592fa5a89b8e7f0ef84b8d7f53122bbd071 /drivers/md/md.h | |
| parent | md/raid10: submit IO from originating thread instead of md thread. (diff) | |
| download | linux-4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46.tar.xz linux-4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46.zip | |
MD: change the parameter of md thread
Change the thread parameter, so the thread can carry extra info. Next patch
will use it.
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index f385b038589d..93ada214b50e 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -540,12 +540,13 @@ static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev) list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set) struct md_thread { - void (*run) (struct mddev *mddev); + void (*run) (struct md_thread *thread); struct mddev *mddev; wait_queue_head_t wqueue; unsigned long flags; struct task_struct *tsk; unsigned long timeout; + void *private; }; #define THREAD_WAKEUP 0 @@ -584,7 +585,7 @@ static inline void safe_put_page(struct page *p) extern int register_md_personality(struct md_personality *p); extern int unregister_md_personality(struct md_personality *p); extern struct md_thread *md_register_thread( - void (*run)(struct mddev *mddev), + void (*run)(struct md_thread *thread), struct mddev *mddev, const char *name); extern void md_unregister_thread(struct md_thread **threadp); @@ -603,7 +604,7 @@ extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev, extern void md_super_wait(struct mddev *mddev); extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, struct page *page, int rw, bool metadata_op); -extern void md_do_sync(struct mddev *mddev); +extern void md_do_sync(struct md_thread *thread); extern void md_new_event(struct mddev *mddev); extern int md_allow_write(struct mddev *mddev); extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev); |