btrfs: sipmlify uuid parameters of alloc_fs_devices()

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Among all the callers, only the device_list_add() function uses the
second argument of alloc_fs_devices(). It passes metadata_uuid when
available, otherwise, it passes NULL. And in turn, alloc_fs_devices()
is designed to copy either metadata_uuid or fsid into
fs_devices::metadata_uuid.

So remove the second argument in alloc_fs_devices(), and always copy the
fsid.  In the caller device_list_add() function, we will overwrite it
with metadata_uuid when it is available.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Anand Jain 2023-08-23 22:52:13 +08:00 • committed by David Sterba

parent 01fc062bd0

commit f7361d8c3f

2 changed files with 18 additions and 17 deletions

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7

fs/btrfs/disk-io.c

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28

fs/btrfs/volumes.c

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