diff options
| author | Mark Harmstone <mark@harmstone.com> | 2026-01-07 14:09:08 +0000 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2026-02-03 07:54:35 +0100 |
| commit | 8620da16fb6be1fd9906374fa1c763a10c6918df (patch) | |
| tree | d3de7563e93b361004cd2f7c50751a5ffaf8096c /fs/btrfs/extent-tree.c | |
| parent | 7977011460cffc6f5a0cd830584c832c4aa07076 (diff) | |
| download | linux-next-8620da16fb6be1fd9906374fa1c763a10c6918df.tar.gz linux-next-8620da16fb6be1fd9906374fa1c763a10c6918df.zip | |
btrfs: allow mounting filesystems with remap-tree incompat flag
If we encounter a filesystem with the remap-tree incompat flag set,
validate its compatibility with the other flags, and load the remap tree
using the values that have been added to the superblock.
The remap-tree feature depends on the free-space-tree, but no-holes and
block-group-tree have been made dependencies to reduce the testing
matrix. Similarly I'm not aware of any reason why mixed-bg and zoned would be
incompatible with remap-tree, but this is blocked for the time being
until it can be fully tested.
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 48a453fa3063..ce4bda1f37ad 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2593,6 +2593,8 @@ static u64 get_alloc_profile_by_root(struct btrfs_root *root, int data) flags = BTRFS_BLOCK_GROUP_DATA; else if (root == fs_info->chunk_root) flags = BTRFS_BLOCK_GROUP_SYSTEM; + else if (root == fs_info->remap_root) + flags = BTRFS_BLOCK_GROUP_METADATA_REMAP; else flags = BTRFS_BLOCK_GROUP_METADATA; |