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| author | Chris Mason <chris.mason@oracle.com> | 2012-02-07 05:13:24 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2012-02-07 10:58:32 -0500 |
| commit | f5c4c4f3b75bde259640584761fc74a395056aad (patch) | |
| tree | 4f5d2513e7b25abb16ec709abf770c368cc75a40 /extent-tree.c | |
| parent | 34c0fea109b6c4827cb8568ac35a54c66be97a5c (diff) | |
| download | btrfs-progs-f5c4c4f3b75bde259640584761fc74a395056aad.tar.gz | |
btrfsck: add code to rebuild extent records
This also includes a new --repair btrfsck option. For now it can
only fix errors in the extent allocation tree.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'extent-tree.c')
| -rw-r--r-- | extent-tree.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/extent-tree.c b/extent-tree.c index 5bed3c2..1f13992 100644 --- a/extent-tree.c +++ b/extent-tree.c @@ -1041,8 +1041,6 @@ static int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, } if (ret) { printf("Failed to find [%llu, %u, %llu]\n", key.objectid, key.type, key.offset); - btrfs_print_leaf(root, path->nodes[0]); - btrfs_free_path(path); return -ENOENT; } @@ -1067,8 +1065,9 @@ static int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, } #endif if (item_size < sizeof(*ei)) { - printf("Size is %u, needs to be %u, slot %d\n", item_size, - sizeof(*ei), path->slots[0]); + printf("Size is %u, needs to be %u, slot %d\n", + (unsigned)item_size, + (unsigned)sizeof(*ei), path->slots[0]); btrfs_print_leaf(root, leaf); return -EINVAL; } @@ -1460,10 +1459,8 @@ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, if (ret < 0) goto out; if (ret != 0) { - btrfs_print_leaf(root, path->nodes[0]); - printk("failed to find block number %Lu\n", - (unsigned long long)bytenr); - BUG(); + ret = -EIO; + goto out; } l = path->nodes[0]; @@ -1484,9 +1481,8 @@ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, extent_flags = BTRFS_BLOCK_FLAG_FULL_BACKREF; #else BUG(); -#endif - } - BUG_ON(num_refs == 0); +#endif + } item = btrfs_item_ptr(l, path->slots[0], struct btrfs_extent_item); if (refs) *refs = num_refs; @@ -2033,6 +2029,12 @@ pinit: return 0; } +void btrfs_pin_extent(struct btrfs_fs_info *fs_info, + u64 bytenr, u64 num_bytes) +{ + update_pinned_extents(fs_info->extent_root, bytenr, num_bytes, 1); +} + /* * remove an extent from the root, returns 0 on success */ |