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authorDaeho Jeong <daehojeong@google.com>2022-03-15 21:14:14 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2022-03-17 09:16:22 -0700
commitd98af5f4552058a5c22030641ef79cee92c61f54 (patch)
tree6424f4f07188561c7e50428c412894a0b1c7a961 /fs/f2fs/sysfs.c
parentd284af43f703760e261b1601378a0c13a19d5f1f (diff)
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f2fs: introduce gc_urgent_mid mode
We need a mid level of gc urgent mode to do GC forcibly in a period of given gc_urgent_sleep_time, but not like using greedy GC approach and switching to SSR mode such as gc urgent high mode. This can be used for more aggressive periodic storage clean up. Signed-off-by: Daeho Jeong <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
-rw-r--r--fs/f2fs/sysfs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 47efcf233afd..fe29bcb70f46 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -468,6 +468,13 @@ out:
}
} else if (t == 2) {
sbi->gc_mode = GC_URGENT_LOW;
+ } else if (t == 3) {
+ sbi->gc_mode = GC_URGENT_MID;
+ if (sbi->gc_thread) {
+ sbi->gc_thread->gc_wake = 1;
+ wake_up_interruptible_all(
+ &sbi->gc_thread->gc_wait_queue_head);
+ }
} else {
return -EINVAL;
}