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authorShaohua Li <shli@kernel.org>2012-10-11 13:34:00 +1100
committerNeilBrown <neilb@suse.de>2012-10-11 13:34:00 +1100
commit4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46 (patch)
tree3bb77592fa5a89b8e7f0ef84b8d7f53122bbd071 /drivers/md/md.h
parent57c67df48866d57b50d72eb198ffcc0cf7a6232d (diff)
downloadlinux-4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46.tar.bz2
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.h7
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);