[05/10] btrfs: Add BTRFS_UERROR for unhandled errors

Commit Message

Jeff Mahoney Nov. 4, 2009, 7:03 p.m. UTC

None

Patch

--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1951,6 +1951,13 @@  static inline struct dentry *fdentry(str
 	return file->f_path.dentry;
 }
 
+#define BTRFS_UERROR(condition) \
+	do { \
+		if (condition) \
+			btrfs_unhandled_error(__FILE__, __LINE__, \
+					      #condition); \
+	} while(0);
+
 /* extent-tree.c */
 void btrfs_put_block_group(struct btrfs_block_group_cache *cache);
 int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
@@ -2373,6 +2380,7 @@  ssize_t btrfs_listxattr(struct dentry *d
 u64 btrfs_parse_size(char *str);
 int btrfs_parse_options(struct btrfs_root *root, char *options);
 int btrfs_sync_fs(struct super_block *sb, int wait);
+void btrfs_unhandled_error(const char *file, int line, const char *condition);
 
 /* acl.c */
 #ifdef CONFIG_BTRFS_FS_POSIX_ACL
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -51,6 +51,14 @@ 
 #include "export.h"
 #include "compression.h"
 
+void btrfs_unhandled_error(const char *file, int line, const char *msg)
+{
+	printk(KERN_CRIT "btrfs: Unhandled error at %s:%d: %s\n",
+	       file, line, msg);
+
+	BUG();
+}
+
 static struct super_operations btrfs_super_ops;
 
 static void btrfs_put_super(struct super_block *sb)