*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
+ * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_SUPERBLOCK
/*
* make the magic number something a human could read
*/
-#define JFS_MAGIC "JFS1" /* Magic word */
+#define JFS_MAGIC "JFS1" /* Magic word */
#define JFS_VERSION 2 /* Version number: Version 2 */
#define LV_NAME_SIZE 11 /* MUST BE 11 for OS/2 boot sector */
-/*
- * aggregate superblock
+/*
+ * aggregate superblock
*
* The name superblock is too close to super_block, so the name has been
* changed to jfs_superblock. The utilities are still using the old name.
*/
struct jfs_superblock {
char s_magic[4]; /* 4: magic number */
- u32 s_version; /* 4: version number */
+ __le32 s_version; /* 4: version number */
- s64 s_size; /* 8: aggregate size in hardware/LVM blocks;
+ __le64 s_size; /* 8: aggregate size in hardware/LVM blocks;
* VFS: number of blocks
*/
- s32 s_bsize; /* 4: aggregate block size in bytes;
+ __le32 s_bsize; /* 4: aggregate block size in bytes;
* VFS: fragment size
*/
- s16 s_l2bsize; /* 2: log2 of s_bsize */
- s16 s_l2bfactor; /* 2: log2(s_bsize/hardware block size) */
- s32 s_pbsize; /* 4: hardware/LVM block size in bytes */
- s16 s_l2pbsize; /* 2: log2 of s_pbsize */
- s16 pad; /* 2: padding necessary for alignment */
+ __le16 s_l2bsize; /* 2: log2 of s_bsize */
+ __le16 s_l2bfactor; /* 2: log2(s_bsize/hardware block size) */
+ __le32 s_pbsize; /* 4: hardware/LVM block size in bytes */
+ __le16 s_l2pbsize; /* 2: log2 of s_pbsize */
+ __le16 pad; /* 2: padding necessary for alignment */
- u32 s_agsize; /* 4: allocation group size in aggr. blocks */
+ __le32 s_agsize; /* 4: allocation group size in aggr. blocks */
- u32 s_flag; /* 4: aggregate attributes:
+ __le32 s_flag; /* 4: aggregate attributes:
* see jfs_filsys.h
*/
- u32 s_state; /* 4: mount/unmount/recovery state:
+ __le32 s_state; /* 4: mount/unmount/recovery state:
* see jfs_filsys.h
*/
- s32 s_compress; /* 4: > 0 if data compression */
+ __le32 s_compress; /* 4: > 0 if data compression */
pxd_t s_ait2; /* 8: first extent of secondary
* aggregate inode table
pxd_t s_aim2; /* 8: first extent of secondary
* aggregate inode map
*/
- u32 s_logdev; /* 4: device address of log */
- s32 s_logserial; /* 4: log serial number at aggregate mount */
+ __le32 s_logdev; /* 4: device address of log */
+ __le32 s_logserial; /* 4: log serial number at aggregate mount */
pxd_t s_logpxd; /* 8: inline log extent */
pxd_t s_fsckpxd; /* 8: inline fsck work space extent */
struct timestruc_t s_time; /* 8: time last updated */
- s32 s_fsckloglen; /* 4: Number of filesystem blocks reserved for
- * the fsck service log.
+ __le32 s_fsckloglen; /* 4: Number of filesystem blocks reserved for
+ * the fsck service log.
* N.B. These blocks are divided among the
* versions kept. This is not a per
* version size.
- * N.B. These blocks are included in the
+ * N.B. These blocks are included in the
* length field of s_fsckpxd.
*/
s8 s_fscklog; /* 1: which fsck service log is most recent
* 1 => the first one
* 2 => the 2nd one
*/
- char s_fpack[11]; /* 11: file system volume name
+ char s_fpack[11]; /* 11: file system volume name
* N.B. This must be 11 bytes to
* conform with the OS/2 BootSector
* requirements
*/
/* extendfs() parameter under s_state & FM_EXTENDFS */
- s64 s_xsize; /* 8: extendfs s_size */
+ __le64 s_xsize; /* 8: extendfs s_size */
pxd_t s_xfsckpxd; /* 8: extendfs fsckpxd */
pxd_t s_xlogpxd; /* 8: extendfs logpxd */
/* - 128 byte boundary - */
extern int readSuper(struct super_block *, struct buffer_head **);
extern int updateSuper(struct super_block *, uint);
extern void jfs_error(struct super_block *, const char *, ...);
+extern int jfs_mount(struct super_block *);
+extern int jfs_mount_rw(struct super_block *, int);
+extern int jfs_umount(struct super_block *);
+extern int jfs_umount_rw(struct super_block *);
+extern int jfs_extendfs(struct super_block *, s64, int);
+
+extern struct task_struct *jfsIOthread;
+extern struct task_struct *jfsSyncThread;
#endif /*_H_JFS_SUPERBLOCK */
git://git.onelab.eu / linux-2.6.git / blobdiff