diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2023-09-18 16:14:33 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-10-12 16:44:10 +0200 |
| commit | e0b4077fcc4e132fa729a54183d0af58da6d1d39 (patch) | |
| tree | d5ca9a55240333a5033484b52895391d67ea7810 /fs/btrfs/tree-checker.c | |
| parent | btrfs: tracepoints: add events for raid stripe tree (diff) | |
| download | linux-e0b4077fcc4e132fa729a54183d0af58da6d1d39.tar.xz linux-e0b4077fcc4e132fa729a54183d0af58da6d1d39.zip | |
btrfs: tree-checker: add support for raid stripe tree
Add a tree checker support for RAID stripe tree items, verify:
- alignment
- presence of the incompat bit
- supported encoding
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/tree-checker.c')
| -rw-r--r-- | fs/btrfs/tree-checker.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 8ad92aa43924..1547090bf2c0 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -30,6 +30,7 @@ #include "file-item.h" #include "inode-item.h" #include "dir-item.h" +#include "raid-stripe-tree.h" /* * Error message should follow the following format: @@ -1632,6 +1633,44 @@ static int check_inode_ref(struct extent_buffer *leaf, return 0; } +static int check_raid_stripe_extent(const struct extent_buffer *leaf, + const struct btrfs_key *key, int slot) +{ + struct btrfs_stripe_extent *stripe_extent = + btrfs_item_ptr(leaf, slot, struct btrfs_stripe_extent); + + if (unlikely(!IS_ALIGNED(key->objectid, leaf->fs_info->sectorsize))) { + generic_err(leaf, slot, +"invalid key objectid for raid stripe extent, have %llu expect aligned to %u", + key->objectid, leaf->fs_info->sectorsize); + return -EUCLEAN; + } + + if (unlikely(!btrfs_fs_incompat(leaf->fs_info, RAID_STRIPE_TREE))) { + generic_err(leaf, slot, + "RAID_STRIPE_EXTENT present but RAID_STRIPE_TREE incompat bit unset"); + return -EUCLEAN; + } + + switch (btrfs_stripe_extent_encoding(leaf, stripe_extent)) { + case BTRFS_STRIPE_RAID0: + case BTRFS_STRIPE_RAID1: + case BTRFS_STRIPE_DUP: + case BTRFS_STRIPE_RAID10: + case BTRFS_STRIPE_RAID5: + case BTRFS_STRIPE_RAID6: + case BTRFS_STRIPE_RAID1C3: + case BTRFS_STRIPE_RAID1C4: + break; + default: + generic_err(leaf, slot, "invalid raid stripe encoding %u", + btrfs_stripe_extent_encoding(leaf, stripe_extent)); + return -EUCLEAN; + } + + return 0; +} + /* * Common point to switch the item-specific validation. */ @@ -1686,6 +1725,9 @@ static enum btrfs_tree_block_status check_leaf_item(struct extent_buffer *leaf, case BTRFS_EXTENT_DATA_REF_KEY: ret = check_extent_data_ref(leaf, key, slot); break; + case BTRFS_RAID_STRIPE_KEY: + ret = check_raid_stripe_extent(leaf, key, slot); + break; } if (ret) |