mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-02 02:19:54 -04:00
Code Issues Packages Projects Releases Wiki Activity

writeback: use round_jiffies_relative for dirtytime_work

Browse Source 
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>
This commit is contained in:
Zhao Mengmeng
2026-01-13 16:26:14 +08:00
committed by Christian Brauner
parent 561940a7ee
commit e93b31d081
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
fs/fs-writeback.c
View File

@@ -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;
}