[PATCH 1/2] fs: bdev: fix conflicting comment from lookup_bdev

[Jackie Liu <liu.yun@linux.dev>]

From: Jackie Liu <liuyun01@kylinos.cn>

We switched to directly use dev_t to get block device, lookup changed the
meaning of use, now we fix this conflicting comment.

Fixes: 4e7b5671c6a8 ("block: remove i_bdev")
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
---
 block/bdev.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/block/bdev.c b/block/bdev.c
index 485a258b0ab3..51d69243d315 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -962,9 +962,11 @@ EXPORT_SYMBOL(blkdev_put);
  * @pathname:	special file representing the block device
  * @dev:	return value of the block device's dev_t
  *
- * Get a reference to the blockdevice at @pathname in the current
- * namespace if possible and return it.  Return ERR_PTR(error)
- * otherwise.
+ * Lookup the block device's dev_t at @pathname in the current
+ * namespace if possible and return it by @dev.
+ *
+ * RETURNS:
+ * 0 if succeeded, errno otherwise.
  */
 int lookup_bdev(const char *pathname, dev_t *dev)
 {
-- 
2.25.1