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 /include | |
| 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 'include')
| -rw-r--r-- | include/linux/writeback.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index abfe11787..a72ce3940 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -129,6 +129,7 @@ extern int vm_dirty_ratio; extern unsigned long vm_dirty_bytes; extern unsigned int dirty_writeback_interval; extern unsigned int dirty_expire_interval; +extern unsigned int dirtytime_expire_interval; extern int vm_highmem_is_dirtyable; extern int block_dump; extern int laptop_mode; @@ -145,6 +146,8 @@ extern int dirty_ratio_handler(struct ctl_table *table, int write, extern int dirty_bytes_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +int dirtytime_interval_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos); struct ctl_table; int dirty_writeback_centisecs_handler(struct ctl_table *, int, |