fstype/reiser4_fs.h

   1 #ifndef __REISER4_FS_H
   2 #define __REISER4_FS_H
   3
   4 #define SS_MAGIC_SIZE   16
   5
   6 /* reiser4 filesystem structure
   7  *
   8  * Master super block structure. It is the same for all reiser4 filesystems,
   9  * so, we can declare it here. It contains common for all format fields like
  10  * block size etc.
  11  */
  12 struct reiser4_master_sb {
  13         /* Master super block magic. */
  14         char ms_magic[SS_MAGIC_SIZE];
  15
  16         /* Disk format in use. */
  17         __u16 ms_format;
  18
  19         /* Filesyetem block size in use. */
  20         __u16 ms_blksize;
  21
  22         /* Filesyetm uuid in use. */
  23         char ms_uuid[SS_MAGIC_SIZE];
  24
  25         /* Filesystem label in use. */
  26         char ms_label[SS_MAGIC_SIZE];
  27 } __attribute__ ((packed));
  28
  29 #define REISER4_SUPER_MAGIC_STRING "ReIsEr4"
  30
  31 #endif /* __REISER4_FS_H */