Ksawlii/kernel_samsung_a53x
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f2fs: set ioprio of GC kthread to idle

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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>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
This commit is contained in:
Park Ju Hyung 2017-09-26 10:51:24 +09:00 • committed by Ksawlii
parent 008f8557c0
commit 414da43f9f
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/gc.c
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@ -175,6 +175,8 @@ int f2fs_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;
}