Messages in this thread Patch in this message | | | From | Yunlong Song <> | Subject | [PATCH] f2fs: fix the way to wake up issue_flush thread | Date | Thu, 3 May 2018 15:45:43 +0800 |
| |
Commit 6f890df0 ("f2fs: fix out-of-order execution in f2fs_issue_flush") uses waitqueue_active to wake up issue_flush thread, but there is no wait entry to wake in this queue, so change it back to use the original fcc->dispatch_list to wake up issue_flush thread.
Signed-off-by: Yunlong Song <yunlong.song@huawei.com> --- fs/f2fs/segment.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 503a98a..5aa5ee4e 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -612,7 +612,7 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino) /* update issue_list before we wake up issue_flush thread */ smp_mb(); - if (waitqueue_active(&fcc->flush_wait_queue)) + if (!fcc->dispatch_list) wake_up(&fcc->flush_wait_queue); if (fcc->f2fs_issue_flush) { -- 1.8.5.2
| |