diff options
| author | Christoph Hellwig | 2022-04-15 06:52:43 +0200 |
|---|---|---|
| committer | Jens Axboe | 2022-04-17 19:49:59 -0600 |
| commit | 08e688fdb8f7e862092ae64cee20bc8b463d1046 (patch) | |
| tree | 8c85516d2478db6988a5d73b1032622a2897a705 /fs | |
| parent | 10f0d2a517796b8f6dc04fb0cc3e49003ae6b0bc (diff) | |
block: add a bdev_write_cache helper
Add a helper to check the write cache flag based on the block_device
instead of having to poke into the block layer internal request_queue.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: David Sterba <dsterba@suse.com> [btrfs]
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-13-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/disk-io.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index cf9b5e214d6f..0611bdf1cce7 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4249,8 +4249,7 @@ static void write_dev_flush(struct btrfs_device *device) * of simplicity, since this is a debug tool and not meant for use in * non-debug builds. */ - struct request_queue *q = bdev_get_queue(device->bdev); - if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) + if (!bdev_write_cache(device->bdev)) return; #endif |