btrfs: add incompat for raid1 with 3, 4 copies
authorDavid Sterba <dsterba@suse.com>
Tue, 10 Jul 2018 16:15:05 +0000 (18:15 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 18 Nov 2019 16:51:49 +0000 (17:51 +0100)
commitcfbb825c76198c9095428c5f9362fbf6ae06f417
tree6f95f657cc268f4218e22e33e7b9a48f67927e1d
parent8d6fac0087e538173f34ca7431ed9b58581acf28
btrfs: add incompat for raid1 with 3, 4 copies

The new raid1c3 and raid1c4 profiles are backward incompatible and the
name shall be 'raid1c34', the status can be found in the global
supported features in /sys/fs/btrfs/features or in the per-filesystem
directory.

Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ctree.h
fs/btrfs/sysfs.c
fs/btrfs/volumes.c
include/uapi/linux/btrfs.h