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| author | Ingo Molnar <mingo@kernel.org> | 2020-11-27 11:09:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-11-27 11:10:50 +0100 |
| commit | a787bdaff83a085288b6fc607afb4bb648da3cc9 (patch) | |
| tree | ec389c1494ef4790ea90f65c4f86e523caf325d0 /fs/btrfs/tree-checker.c | |
| parent | irq_work: Optimize irq_work_single() (diff) | |
| parent | Merge tag 'pm-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafa... (diff) | |
| download | linux-a787bdaff83a085288b6fc607afb4bb648da3cc9.tar.xz linux-a787bdaff83a085288b6fc607afb4bb648da3cc9.zip | |
Merge branch 'linus' into sched/core, to resolve semantic conflict
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/tree-checker.c')
| -rw-r--r-- | fs/btrfs/tree-checker.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index f0ffd5ee77bd..8784b74f5232 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -760,18 +760,36 @@ int btrfs_check_chunk_valid(struct extent_buffer *leaf, u64 type; u64 features; bool mixed = false; + int raid_index; + int nparity; + int ncopies; length = btrfs_chunk_length(leaf, chunk); stripe_len = btrfs_chunk_stripe_len(leaf, chunk); num_stripes = btrfs_chunk_num_stripes(leaf, chunk); sub_stripes = btrfs_chunk_sub_stripes(leaf, chunk); type = btrfs_chunk_type(leaf, chunk); + raid_index = btrfs_bg_flags_to_raid_index(type); + ncopies = btrfs_raid_array[raid_index].ncopies; + nparity = btrfs_raid_array[raid_index].nparity; if (!num_stripes) { chunk_err(leaf, chunk, logical, "invalid chunk num_stripes, have %u", num_stripes); return -EUCLEAN; } + if (num_stripes < ncopies) { + chunk_err(leaf, chunk, logical, + "invalid chunk num_stripes < ncopies, have %u < %d", + num_stripes, ncopies); + return -EUCLEAN; + } + if (nparity && num_stripes == nparity) { + chunk_err(leaf, chunk, logical, + "invalid chunk num_stripes == nparity, have %u == %d", + num_stripes, nparity); + return -EUCLEAN; + } if (!IS_ALIGNED(logical, fs_info->sectorsize)) { chunk_err(leaf, chunk, logical, "invalid chunk logical, have %llu should aligned to %u", |