btrfs: sort error decoder entries

Add the raw errnos and sort them accordingly.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 7932d8d..9e5d723 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -72,23 +72,23 @@ const char * __attribute_const__ btrfs_decode_error(int errno)
        char *errstr = "unknown";
 
        switch (errno) {
-       case -EIO:
+       case -ENOENT:           /* -2 */
+               errstr = "No such entry";
+               break;
+       case -EIO:              /* -5 */
                errstr = "IO failure";
                break;
-       case -ENOMEM:
+       case -ENOMEM:           /* -12*/
                errstr = "Out of memory";
                break;
-       case -EROFS:
-               errstr = "Readonly filesystem";
-               break;
-       case -EEXIST:
+       case -EEXIST:           /* -17 */
                errstr = "Object already exists";
                break;
-       case -ENOSPC:
+       case -ENOSPC:           /* -28 */
                errstr = "No space left";
                break;
-       case -ENOENT:
-               errstr = "No such entry";
+       case -EROFS:            /* -30 */
+               errstr = "Readonly filesystem";
                break;
        }