btrfs: Make btrfs_find_device_by_path return struct btrfs_device

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Currently this function returns an error code as well as uses one of
its arguments as a return value for struct btrfs_device. Change the
function so that it returns btrfs_device directly and use the usual
"encode error in pointer" mechanics if something goes wrong. No
functional changes.

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

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Nikolay Borisov 2018-09-03 12:46:12 +03:00 • committed by David Sterba

parent 374b0e2d6b

commit b444ad46b2

1 changed files with 13 additions and 12 deletions

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fs/btrfs/volumes.c

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