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Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 534266fe505f..d52ec1155204 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1109,8 +1109,8 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
}
-int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct extent_buffer *buf)
+void clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+ struct extent_buffer *buf)
{
struct inode *btree_inode = root->fs_info->btree_inode;
if (btrfs_header_generation(buf) ==
@@ -1121,8 +1121,14 @@ int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
spin_lock(&root->fs_info->delalloc_lock);
if (root->fs_info->dirty_metadata_bytes >= buf->len)
root->fs_info->dirty_metadata_bytes -= buf->len;
- else
- WARN_ON(1);
+ else {
+ spin_unlock(&root->fs_info->delalloc_lock);
+ btrfs_panic(root->fs_info, -EOVERFLOW,
+ "Can't clear %lu bytes from "
+ " dirty_mdatadata_bytes (%lu)",
+ buf->len,
+ root->fs_info->dirty_metadata_bytes);
+ }
spin_unlock(&root->fs_info->delalloc_lock);
}
@@ -1131,7 +1137,6 @@ int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
clear_extent_buffer_dirty(&BTRFS_I(btree_inode)->io_tree,
buf);
}
- return 0;
}
static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,