diff options
| author | Kemeng Shi <shikemeng@huaweicloud.com> | 2024-01-19 04:33:39 +0800 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-01-22 15:33:38 +0100 |
| commit | 12f7900c575679af411aaa89340bfe3dc68b46b3 (patch) | |
| tree | fbd9c00815e295b91361ac2673ca1bac12870d28 /mm/backing-dev.c | |
| parent | 73fa7547c70b32cc69685f79be31135797734eb6 (diff) | |
writeback: move wb_wakeup_delayed defination to fs-writeback.c
The wb_wakeup_delayed is only used in fs-writeback.c. Move it to
fs-writeback.c after defination of wb_wakeup and make it static.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240118203339.764093-1-shikemeng@huaweicloud.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 1e3447bccdb1..039dc74b505a 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -372,31 +372,6 @@ static int __init default_bdi_init(void) } subsys_initcall(default_bdi_init); -/* - * This function is used when the first inode for this wb is marked dirty. It - * wakes-up the corresponding bdi thread which should then take care of the - * periodic background write-out of dirty inodes. Since the write-out would - * starts only 'dirty_writeback_interval' centisecs from now anyway, we just - * set up a timer which wakes the bdi thread up later. - * - * Note, we wouldn't bother setting up the timer, but this function is on the - * fast-path (used by '__mark_inode_dirty()'), so we save few context switches - * by delaying the wake-up. - * - * We have to be careful not to postpone flush work if it is scheduled for - * earlier. Thus we use queue_delayed_work(). - */ -void wb_wakeup_delayed(struct bdi_writeback *wb) -{ - unsigned long timeout; - - timeout = msecs_to_jiffies(dirty_writeback_interval * 10); - spin_lock_irq(&wb->work_lock); - if (test_bit(WB_registered, &wb->state)) - queue_delayed_work(bdi_wq, &wb->dwork, timeout); - spin_unlock_irq(&wb->work_lock); -} - static void wb_update_bandwidth_workfn(struct work_struct *work) { struct bdi_writeback *wb = container_of(to_delayed_work(work), |