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btrfs-progs: write down the meaning of BTRFS_ARG_BLKDEV 

Although BTRFS_ARG_BLKDEV can be returned from check_arg_type(),
it's not explained the meaning.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Satoru Takeuchi 2016-02-05 17:07:34 +09:00 committed by David Sterba
parent 194a4053f9
commit be09626592
1 changed files with 1 additions and 0 deletions
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utils.c
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@ -1007,6 +1007,7 @@ static int is_reg_file(const char *path)
* return BTRFS_ARG_UUID: given input is uuid
* return BTRFS_ARG_MNTPOINT: given input is path
* return BTRFS_ARG_REG: given input is regular file
* return BTRFS_ARG_BLKDEV: given input is block device
*/
int check_arg_type(const char *input)
{