udf: Promote some debugging messages to udf_error

If there is a problem with a scratched disc or loader, it's valuable to know
which error occurred.

Convert some debug messages to udf_error, neaten those messages too.
Add the calculated tag checksum and the read checksum to error message.
Make udf_error a public function and move the logging prototypes together.

Original-patch-by: NamJae Jeon <linkinjeon@gmail.com>
Reviewed-by: NamJae Jeon <linkinjeon@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 7 insertions, 2 deletions

diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index dbd52d4b5eed..81e66afecd42 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -29,6 +29,13 @@ do { \
 #define udf_debug(f, a...) /**/
 #endif
 
+__attribute__((format(printf, 3, 4)))
+extern void udf_warning(struct super_block *, const char *, const char *, ...);
+
+__attribute__((format(printf, 3, 4)))
+extern void udf_error(struct super_block *sb, const char *function,
+                      const char *fmt, ...);
+
 #define udf_info(f, a...) \
         printk(KERN_INFO "UDF-fs INFO " f, ##a);
 
@@ -112,8 +119,6 @@ struct extent_position {
 
 /* super.c */
 
-__attribute__((format(printf, 3, 4)))
-extern void udf_warning(struct super_block *, const char *, const char *, ...);
 static inline void udf_updated_lvid(struct super_block *sb)
 {
         struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;