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| author | Zhao Mengmeng <zhaomengmeng@kylinos.cn> | 2026-01-13 11:26:14 +0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-01-14 19:11:43 +0300 |
| commit | e93b31d0816201f9fd8daeaf69d6db99463d3e05 (patch) | |
| tree | 4682d9fa84ba6f4c0571f81180e2db3135151b7d | |
| parent | 561940a7ee81319b9cba06d2b7ba6b45a5c41cbc (diff) | |
| download | linux-e93b31d0816201f9fd8daeaf69d6db99463d3e05.tar.xz | |
writeback: use round_jiffies_relative for dirtytime_work
The dirtytime_work is a background housekeeping task that flushes dirty
inodes, using round_jiffies_relative() will allow kernel to batch this
work with other aligned system tasks, reducing power consumption.
Signed-off-by: Zhao Mengmeng <zhaomengmeng@kylinos.cn>
Link: https://patch.msgid.link/20260113082614.231580-1-zhaomzhao@126.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/fs-writeback.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index cd21c74cd0e5..f06c47130a93 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -2493,7 +2493,8 @@ static void wakeup_dirtytime_writeback(struct work_struct *w) } rcu_read_unlock(); if (dirtytime_expire_interval) - schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ); + schedule_delayed_work(&dirtytime_work, + round_jiffies_relative(dirtytime_expire_interval * HZ)); } static int dirtytime_interval_handler(const struct ctl_table *table, int write, @@ -2525,7 +2526,8 @@ static const struct ctl_table vm_fs_writeback_table[] = { static int __init start_dirtytime_writeback(void) { if (dirtytime_expire_interval) - schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ); + schedule_delayed_work(&dirtytime_work, + round_jiffies_relative(dirtytime_expire_interval * HZ)); register_sysctl_init("vm", vm_fs_writeback_table); return 0; } |