f2fs: clear discard_wake earlier
If SBI_NEED_FSCK is set, discard_wake will never be cleared. As a
result, the condition of wait_event_interruptible_timeout() is always
true, which gets discard thread run too frequently.
Signed-off-by: Sheng Yong <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d61f5ca..bfbf666 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1402,6 +1402,10 @@ static int issue_discard_thread(void *data)
kthread_should_stop() || freezing(current) ||
dcc->discard_wake,
msecs_to_jiffies(wait_ms));
+
+ if (dcc->discard_wake)
+ dcc->discard_wake = 0;
+
if (try_to_freeze())
continue;
if (f2fs_readonly(sbi->sb))
@@ -1413,9 +1417,6 @@ static int issue_discard_thread(void *data)
continue;
}
- if (dcc->discard_wake)
- dcc->discard_wake = 0;
-
if (sbi->gc_mode == GC_URGENT)
__init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
