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 <shengyo...@huawei.com>
---
fs/f2fs/segment.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 503a98abdb2f..e53e28fd397e 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1404,6 +1404,10 @@ 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))
@@ -1415,9 +1419,6 @@ static int issue_discard_thread(void *data)
continue;
}
- if (dcc->discard_wake)
- dcc->discard_wake = 0;
-
if (sbi->gc_thread && sbi->gc_thread->gc_urgent)
init_discard_policy(&dpolicy, DPOLICY_FORCE, 1);
--
2.17.0
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