VisionFive2 Linux kernel

author: Jens Axboe <axboe@kernel.dk> 2020-10-30 09:36:41 -0600 committer: Jens Axboe <axboe@kernel.dk> 2020-11-04 10:22:56 -0700 commit: 3dd1680d1418f22f7ddaf98a4eab66285a099b3e parent: 3cea11cd5e3b00d91caf0b4730194039b45c5891

Commit Summary:

io-wq: cancel request if it's asking for files and we don't have them

Diffstat:

1 file changed, 4 insertions, 0 deletions

diff --git a/fs/io-wq.c b/fs/io-wq.c
index 02894df7656d..b53c055bea6a 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -482,6 +482,10 @@ static void io_impersonate_work(struct io_worker *worker,
 		current->files = work->identity->files;
 		current->nsproxy = work->identity->nsproxy;
 		task_unlock(current);
+		if (!work->identity->files) {
+			/* failed grabbing files, ensure work gets cancelled */
+			work->flags |= IO_WQ_WORK_CANCEL;
+		}
 	}
 	if ((work->flags & IO_WQ_WORK_FS) && current->fs != work->identity->fs)
 		current->fs = work->identity->fs;