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| author | David Sterba <dsterba@suse.com> | 2018-07-10 19:15:05 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 19:51:49 +0300 |
| commit | cfbb825c76198c9095428c5f9362fbf6ae06f417 (patch) | |
| tree | 6f95f657cc268f4218e22e33e7b9a48f67927e1d /fs/btrfs/volumes.c | |
| parent | 8d6fac0087e538173f34ca7431ed9b58581acf28 (diff) | |
| download | linux-cfbb825c76198c9095428c5f9362fbf6ae06f417.tar.xz | |
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>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 9054203ae671..289c34f91996 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4717,6 +4717,14 @@ static void check_raid56_incompat_flag(struct btrfs_fs_info *info, u64 type) btrfs_set_fs_incompat(info, RAID56); } +static void check_raid1c34_incompat_flag(struct btrfs_fs_info *info, u64 type) +{ + if (!(type & (BTRFS_BLOCK_GROUP_RAID1C3 | BTRFS_BLOCK_GROUP_RAID1C4))) + return; + + btrfs_set_fs_incompat(info, RAID1C34); +} + static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 start, u64 type) { @@ -4983,6 +4991,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, free_extent_map(em); check_raid56_incompat_flag(info, type); + check_raid1c34_incompat_flag(info, type); kfree(devices_info); return 0; |