btrfs-progs: Document logic of btrfs_read_dev_super
commit90a16b10b328d63ea90b3f4a04fd52a0bc0b689f
authorNikolay Borisov <nborisov@suse.com>
Tue, 5 Dec 2017 08:39:47 +0000 (5 10:39 +0200)
committerDavid Sterba <dsterba@suse.com>
Wed, 31 Jan 2018 14:14:01 +0000 (31 15:14 +0100)
treef9bf12150ee9d7a536abb6a1248c079eeedc0535
parent8075fd4da1a5c759261413461a4bd7f9af81722c
btrfs-progs: Document logic of btrfs_read_dev_super

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
disk-io.c