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| author | Theodore Ts'o <tytso@mit.edu> | 2015-03-17 12:23:32 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-03-17 12:23:32 -0400 |
| commit | 1efff914afac8a965ad63817ecf8861a927c2ace (patch) | |
| tree | d7b582a4811e957a7dc6abd26629694276e19e2d /include/linux/writeback.h | |
| parent | a2f4870697a5bcf4a87073ec6b32dd2928c1211d (diff) | |
| download | linux-1efff914afac8a965ad63817ecf8861a927c2ace.tar.gz linux-1efff914afac8a965ad63817ecf8861a927c2ace.tar.bz2 linux-1efff914afac8a965ad63817ecf8861a927c2ace.zip | |
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/linux/writeback.h')
| -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 00048339c23e..b2dd371ec0ca 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -130,6 +130,7 @@ 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; @@ -146,6 +147,8 @@ 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, |