diff options
| author | Theodore Ts'o <tytso@mit.edu> | 2015-03-17 12:23:32 -0400 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-05-29 03:52:19 +0200 |
| commit | 427cca4f0b0cff2528101976ffa0c031e822d8ce (patch) | |
| tree | 309e8757e0c826d2b0b661feb59c483319912148 /fs | |
| parent | b642d1b2680ef5e8fed3c1868610109a7c270937 (diff) | |
fs: add dirtytime_expire_seconds sysctl
Add a tuning knob so we can adjust the dirtytime expiration timeout,
which is very useful for testing lazytime.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fs-writeback.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 9f109b43b..a2a1d93ac 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -1180,6 +1180,17 @@ static int __init start_dirtytime_writeback(void) } __initcall(start_dirtytime_writeback); +int dirtytime_interval_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + int ret; + + ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); + if (ret == 0 && write) + mod_delayed_work(system_wq, &dirtytime_work, 0); + return ret; +} + static noinline void block_dump___mark_inode_dirty(struct inode *inode) { if (inode->i_ino || strcmp(inode->i_sb->s_id, "bdev")) { |