diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-06-01 12:44:48 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-06-05 19:53:04 +0300 |
| commit | a4f75764d16bed317276b05a9fe2c179ef61680d (patch) | |
| tree | 5bc303347f23ff209210b382c7b6d8f2b3bcf3b8 | |
| parent | 66fddc25fe182fd7d28b35f4173113f3eefc7fb5 (diff) | |
| download | linux-a4f75764d16bed317276b05a9fe2c179ef61680d.tar.xz | |
block: avoid repeated work in blk_mark_disk_dead
Check if GD_DEAD is already set in blk_mark_disk_dead, and don't
duplicate the work already done.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Christian Brauner <brauner@kernel.org>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Link: https://lore.kernel.org/r/20230601094459.1350643-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/genhd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/genhd.c b/block/genhd.c index aa327314905e..6fa926a02d85 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -575,7 +575,9 @@ void blk_mark_disk_dead(struct gendisk *disk) /* * Fail any new I/O. */ - set_bit(GD_DEAD, &disk->state); + if (test_and_set_bit(GD_DEAD, &disk->state)) + return; + if (test_bit(GD_OWNS_QUEUE, &disk->state)) blk_queue_flag_set(QUEUE_FLAG_DYING, disk->queue); |