diff options
author | Shaohua Li <shli@kernel.org> | 2012-10-11 02:34:00 (GMT) |
---|---|---|
committer | NeilBrown <neilb@suse.de> | 2012-10-11 02:34:00 (GMT) |
commit | 4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46 (patch) | |
tree | 3bb77592fa5a89b8e7f0ef84b8d7f53122bbd071 /drivers | |
parent | 57c67df48866d57b50d72eb198ffcc0cf7a6232d (diff) | |
download | linux-4ed8731d8e6bd2a88a30697fbf4f7e6e979a6c46.tar.xz |
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')
-rw-r--r-- | drivers/md/md.c | 9 | ||||
-rw-r--r-- | drivers/md/md.h | 7 | ||||
-rw-r--r-- | drivers/md/multipath.c | 3 | ||||
-rw-r--r-- | drivers/md/raid1.c | 3 | ||||
-rw-r--r-- | drivers/md/raid10.c | 3 | ||||
-rw-r--r-- | drivers/md/raid5.c | 3 |
6 files changed, 17 insertions, 11 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 7a2b079..8e842b3 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6641,7 +6641,7 @@ static int md_thread(void * arg) clear_bit(THREAD_WAKEUP, &thread->flags); if (!kthread_should_stop()) - thread->run(thread->mddev); + thread->run(thread); } return 0; @@ -6656,8 +6656,8 @@ void md_wakeup_thread(struct md_thread *thread) } } -struct md_thread *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev, - const char *name) +struct md_thread *md_register_thread(void (*run) (struct md_thread *), + struct mddev *mddev, const char *name) { struct md_thread *thread; @@ -7206,8 +7206,9 @@ EXPORT_SYMBOL_GPL(md_allow_write); #define SYNC_MARKS 10 #define SYNC_MARK_STEP (3*HZ) -void md_do_sync(struct mddev *mddev) +void md_do_sync(struct md_thread *thread) { + struct mddev *mddev = thread->mddev; struct mddev *mddev2; unsigned int currspeed = 0, window; diff --git a/drivers/md/md.h b/drivers/md/md.h index f385b03..93ada21 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); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 61a1833..1642eae 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -335,8 +335,9 @@ abort: * 3. Performs writes following reads for array syncronising. */ -static void multipathd (struct mddev *mddev) +static void multipathd(struct md_thread *thread) { + struct mddev *mddev = thread->mddev; struct multipath_bh *mp_bh; struct bio *bio; unsigned long flags; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 05c557e..55ccf47 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2294,8 +2294,9 @@ read_more: } } -static void raid1d(struct mddev *mddev) +static void raid1d(struct md_thread *thread) { + struct mddev *mddev = thread->mddev; struct r1bio *r1_bio; unsigned long flags; struct r1conf *conf = mddev->private; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 05dc96a..5486060 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2732,8 +2732,9 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) } } -static void raid10d(struct mddev *mddev) +static void raid10d(struct md_thread *thread) { + struct mddev *mddev = thread->mddev; struct r10bio *r10_bio; unsigned long flags; struct r10conf *conf = mddev->private; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index adda94d..81c02d6 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4625,8 +4625,9 @@ static int handle_active_stripes(struct r5conf *conf) * During the scan, completed stripes are saved for us by the interrupt * handler, so that they will not have to wait for our next wakeup. */ -static void raid5d(struct mddev *mddev) +static void raid5d(struct md_thread *thread) { + struct mddev *mddev = thread->mddev; struct r5conf *conf = mddev->private; int handled; struct blk_plug plug; |