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| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2023-09-14 18:06:57 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-10-12 16:44:09 +0200 |
| commit | 515020900d447796bc2f0f57064663617a11b65d (patch) | |
| tree | 61f91660a35c85e4fbaa6c2838d6d0887b6bc4fb /fs/btrfs/block-rsv.c | |
| parent | btrfs: add raid stripe tree definitions (diff) | |
| download | linux-515020900d447796bc2f0f57064663617a11b65d.tar.xz linux-515020900d447796bc2f0f57064663617a11b65d.zip | |
btrfs: read raid stripe tree from disk
If we find the raid-stripe-tree on mount, read it from disk. This is
a backward incompatible feature. The rescue=ignorebadroots mount option
will skip this tree.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/block-rsv.c')
| -rw-r--r-- | fs/btrfs/block-rsv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c index 6a8f9629bbbd..ceb5f586a2d5 100644 --- a/fs/btrfs/block-rsv.c +++ b/fs/btrfs/block-rsv.c @@ -356,6 +356,11 @@ void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info) min_items++; } + if (btrfs_fs_incompat(fs_info, RAID_STRIPE_TREE)) { + num_bytes += btrfs_root_used(&fs_info->stripe_root->root_item); + min_items++; + } + /* * But we also want to reserve enough space so we can do the fallback * global reserve for an unlink, which is an additional @@ -407,6 +412,7 @@ void btrfs_init_root_block_rsv(struct btrfs_root *root) case BTRFS_EXTENT_TREE_OBJECTID: case BTRFS_FREE_SPACE_TREE_OBJECTID: case BTRFS_BLOCK_GROUP_TREE_OBJECTID: + case BTRFS_RAID_STRIPE_TREE_OBJECTID: root->block_rsv = &fs_info->delayed_refs_rsv; break; case BTRFS_ROOT_TREE_OBJECTID: |