diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 12 | ||||
| -rw-r--r-- | fs/btrfs/relocation.c | 36 |
2 files changed, 39 insertions, 9 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index a1c94042530..2857f28e20e 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -59,6 +59,14 @@ static struct rb_node *tree_insert(struct rb_root *root, u64 file_offset, return NULL; } +static void ordered_data_tree_panic(struct inode *inode, int errno, + u64 offset) +{ + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); + btrfs_panic(fs_info, errno, "Inconsistency in ordered tree at offset " + "%llu\n", (unsigned long long)offset); +} + /* * look for a given offset in the tree, and if it can't be found return the * first lesser offset @@ -207,7 +215,8 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset, spin_lock(&tree->lock); node = tree_insert(&tree->tree, file_offset, &entry->rb_node); - BUG_ON(node); + if (node) + ordered_data_tree_panic(inode, -EEXIST, file_offset); spin_unlock(&tree->lock); spin_lock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock); @@ -215,7 +224,6 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset, &BTRFS_I(inode)->root->fs_info->ordered_extents); spin_unlock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock); - BUG_ON(node); return 0; } diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 8c1aae2c845..e5996ff8aaa 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -326,6 +326,19 @@ static struct rb_node *tree_search(struct rb_root *root, u64 bytenr) return NULL; } +void backref_tree_panic(struct rb_node *rb_node, int errno, + u64 bytenr) +{ + + struct btrfs_fs_info *fs_info = NULL; + struct backref_node *bnode = rb_entry(rb_node, struct backref_node, + rb_node); + if (bnode->root) + fs_info = bnode->root->fs_info; + btrfs_panic(fs_info, errno, "Inconsistency in backref cache " + "found at offset %llu\n", (unsigned long long)bytenr); +} + /* * walk up backref nodes until reach node presents tree root */ @@ -452,7 +465,8 @@ static void update_backref_node(struct backref_cache *cache, rb_erase(&node->rb_node, &cache->rb_root); node->bytenr = bytenr; rb_node = tree_insert(&cache->rb_root, node->bytenr, &node->rb_node); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, bytenr); } /* @@ -999,7 +1013,8 @@ next: if (!cowonly) { rb_node = tree_insert(&cache->rb_root, node->bytenr, &node->rb_node); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, node->bytenr); list_add_tail(&node->lower, &cache->leaves); } @@ -1034,7 +1049,9 @@ next: if (!cowonly) { rb_node = tree_insert(&cache->rb_root, upper->bytenr, &upper->rb_node); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, + upper->bytenr); } list_add_tail(&edge->list[UPPER], &upper->lower); @@ -1180,7 +1197,8 @@ static int clone_backref_node(struct btrfs_trans_handle *trans, rb_node = tree_insert(&cache->rb_root, new_node->bytenr, &new_node->rb_node); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, new_node->bytenr); if (!new_node->lowest) { list_for_each_entry(new_edge, &new_node->lower, list[UPPER]) { @@ -1252,7 +1270,8 @@ static int __update_reloc_root(struct btrfs_root *root, int del) rb_node = tree_insert(&rc->reloc_root_tree.rb_root, node->bytenr, &node->rb_node); spin_unlock(&rc->reloc_root_tree.lock); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, node->bytenr); } else { list_del_init(&root->root_list); kfree(node); @@ -3154,7 +3173,8 @@ static int add_tree_block(struct reloc_control *rc, block->key_ready = 0; rb_node = tree_insert(blocks, block->bytenr, &block->rb_node); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, block->bytenr); return 0; } @@ -3426,7 +3446,9 @@ static int find_data_references(struct reloc_control *rc, block->key_ready = 1; rb_node = tree_insert(blocks, block->bytenr, &block->rb_node); - BUG_ON(rb_node); + if (rb_node) + backref_tree_panic(rb_node, -EEXIST, + block->bytenr); } if (counted) added = 1; |