diff options
author | Olof Johansson <olof@lixom.net> | 2012-09-11 23:22:25 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2012-09-11 23:22:25 -0700 |
commit | f46e374c1ea7fafce70a838f09fbd67de3e4d49f (patch) | |
tree | e191e5316bdb8558bd3e2b0981c715bedd225ca7 /mm/backing-dev.c | |
parent | a4d3621e0d3ecf191961dc9214e4a378a7186780 (diff) | |
parent | eb8ca943bae2b84c3fc14dfd7a908cb334465fef (diff) |
Merge branch 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
* 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: marzen: enable thermal sensor
ARM: shmobile: marzen: fixup regulator id for smsc911x
ARM: shmobile: marzen: add SDHI0 support
+ sync to 3.6-rc4
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r-- | mm/backing-dev.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 6b4718e2ee3..b41823cc05e 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -39,12 +39,6 @@ DEFINE_SPINLOCK(bdi_lock); LIST_HEAD(bdi_list); LIST_HEAD(bdi_pending_list); -static struct task_struct *sync_supers_tsk; -static struct timer_list sync_supers_timer; - -static int bdi_sync_supers(void *); -static void sync_supers_timer_fn(unsigned long); - void bdi_lock_two(struct bdi_writeback *wb1, struct bdi_writeback *wb2) { if (wb1 < wb2) { @@ -250,12 +244,6 @@ static int __init default_bdi_init(void) { int err; - sync_supers_tsk = kthread_run(bdi_sync_supers, NULL, "sync_supers"); - BUG_ON(IS_ERR(sync_supers_tsk)); - - setup_timer(&sync_supers_timer, sync_supers_timer_fn, 0); - bdi_arm_supers_timer(); - err = bdi_init(&default_backing_dev_info); if (!err) bdi_register(&default_backing_dev_info, NULL, "default"); @@ -270,46 +258,6 @@ int bdi_has_dirty_io(struct backing_dev_info *bdi) return wb_has_dirty_io(&bdi->wb); } -/* - * kupdated() used to do this. We cannot do it from the bdi_forker_thread() - * or we risk deadlocking on ->s_umount. The longer term solution would be - * to implement sync_supers_bdi() or similar and simply do it from the - * bdi writeback thread individually. - */ -static int bdi_sync_supers(void *unused) -{ - set_user_nice(current, 0); - - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - - /* - * Do this periodically, like kupdated() did before. - */ - sync_supers(); - } - - return 0; -} - -void bdi_arm_supers_timer(void) -{ - unsigned long next; - - if (!dirty_writeback_interval) - return; - - next = msecs_to_jiffies(dirty_writeback_interval * 10) + jiffies; - mod_timer(&sync_supers_timer, round_jiffies_up(next)); -} - -static void sync_supers_timer_fn(unsigned long unused) -{ - wake_up_process(sync_supers_tsk); - bdi_arm_supers_timer(); -} - static void wakeup_timer_fn(unsigned long data) { struct backing_dev_info *bdi = (struct backing_dev_info *)data; |