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由 Chao Yu 提交于
There could be more than one waiter waiting discard IO completion, so we need use complete_all() instead of complete() in f2fs_submit_discard_endio to avoid hungtask. Fixes: ec9895ad ("f2fs: don't hold cmd_lock during waiting discard command") Cc: <stable@vger.kernel.org> Signed-off-by: NChao Yu <yuchao0@huawei.com> Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>
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