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| author | Otavio Salvador <otavio@ossystems.com.br> | 2018-12-12 11:20:31 -0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-12 11:20:31 -0200 |
| commit | 1e71d8c630cbc0d1f5d762fd019690b5cdb880ae (patch) | |
| tree | 58b4b37bed385b27fc5956435b2451c760f26f5f /fs/btrfs/volumes.c | |
| parent | 5f3fecbc0715a70437501e1d85e74726c4f561be (diff) | |
| parent | cfbbc7703fff59c67761c93a8b1de29a79f9841c (diff) | |
Merge pull request #40 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 76017e1b3c0f..5aa2749eaf42 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4656,7 +4656,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, if (type & BTRFS_BLOCK_GROUP_DATA) { max_stripe_size = SZ_1G; - max_chunk_size = 10 * max_stripe_size; + max_chunk_size = BTRFS_MAX_DATA_CHUNK_SIZE; if (!devs_max) devs_max = BTRFS_MAX_DEVS(info->chunk_root); } else if (type & BTRFS_BLOCK_GROUP_METADATA) { @@ -6370,6 +6370,8 @@ static int btrfs_check_chunk_valid(struct btrfs_root *root, u16 num_stripes; u16 sub_stripes; u64 type; + u64 features; + bool mixed = false; length = btrfs_chunk_length(leaf, chunk); stripe_len = btrfs_chunk_stripe_len(leaf, chunk); @@ -6410,6 +6412,32 @@ static int btrfs_check_chunk_valid(struct btrfs_root *root, btrfs_chunk_type(leaf, chunk)); return -EIO; } + + if ((type & BTRFS_BLOCK_GROUP_TYPE_MASK) == 0) { + btrfs_err(root->fs_info, "missing chunk type flag: 0x%llx", type); + return -EIO; + } + + if ((type & BTRFS_BLOCK_GROUP_SYSTEM) && + (type & (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_DATA))) { + btrfs_err(root->fs_info, + "system chunk with data or metadata type: 0x%llx", type); + return -EIO; + } + + features = btrfs_super_incompat_flags(root->fs_info->super_copy); + if (features & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS) + mixed = true; + + if (!mixed) { + if ((type & BTRFS_BLOCK_GROUP_METADATA) && + (type & BTRFS_BLOCK_GROUP_DATA)) { + btrfs_err(root->fs_info, + "mixed chunk type in non-mixed mode: 0x%llx", type); + return -EIO; + } + } + if ((type & BTRFS_BLOCK_GROUP_RAID10 && sub_stripes != 2) || (type & BTRFS_BLOCK_GROUP_RAID1 && num_stripes < 1) || (type & BTRFS_BLOCK_GROUP_RAID5 && num_stripes < 2) || |