diff options
| author | Park Ju Hyung <qkrwngud825@gmail.com> | 2017-09-26 10:51:24 +0900 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2018-05-23 19:11:36 +0200 |
| commit | 57a20b86b1279bbeb7ad5b19af18ac0fcd2f839c (patch) | |
| tree | 5c54cf11f230f17f124b790ef29b14fa33f6aae4 /fs/f2fs | |
| parent | c3b09420bef57fcf64da2c2c02300d65c192896c (diff) | |
f2fs: set ioprio of GC kthread to idle
GC should run conservatively as possible to reduce latency spikes to the user.
Setting ioprio to idle class will allow the kernel to schedule GC thread's I/O
to not affect any other processes' I/O requests.
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/gc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index d8110db46..2ad858dd6 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -143,6 +143,8 @@ int start_gc_thread(struct f2fs_sb_info *sbi) kfree(gc_th); sbi->gc_thread = NULL; } + set_task_ioprio(sbi->gc_thread->f2fs_gc_task, + IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0)); out: return err; } |