fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / fs / jfs / jfs_incore.h

diff --git a/fs/jfs/jfs_incore.h b/fs/jfs/jfs_incore.h
index 1a6ec59..9400558 100644 (file)
--- a/fs/jfs/jfs_incore.h
+++ b/fs/jfs/jfs_incore.h
@@ -4,24 +4,25 @@
  *
  *   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_INCORE
 #define _H_JFS_INCORE
 
+#include <linux/mutex.h>
 #include <linux/rwsem.h>
 #include <linux/slab.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
 #include "jfs_types.h"
 #include "jfs_xtree.h"
 #include "jfs_dtree.h"
@@ -37,6 +38,8 @@
 struct jfs_inode_info {
        int     fileset;        /* fileset number (always 16)*/
        uint    mode2;          /* jfs-specific mode            */
+       uint    saved_uid;      /* saved for uid mount option */
+       uint    saved_gid;      /* saved for gid mount option */
        pxd_t   ixpxd;          /* inode extent descriptor      */
        dxd_t   acl;            /* dxd describing acl   */
        dxd_t   ea;             /* dxd describing ea    */
@@ -53,21 +56,22 @@ struct jfs_inode_info {
        lid_t   blid;           /* lid of pseudo buffer?        */
        lid_t   atlhead;        /* anonymous tlock list head    */
        lid_t   atltail;        /* anonymous tlock list tail    */
+       spinlock_t ag_lock;     /* protects active_ag           */
        struct list_head anon_inode_list; /* inodes having anonymous txns */
        /*
         * rdwrlock serializes xtree between reads & writes and synchronizes
         * changes to special inodes.  It's use would be redundant on
-        * directories since the i_sem taken in the VFS is sufficient.
+        * directories since the i_mutex taken in the VFS is sufficient.
         */
        struct rw_semaphore rdwrlock;
        /*
-        * commit_sem serializes transaction processing on an inode.
+        * commit_mutex serializes transaction processing on an inode.
         * It must be taken after beginning a transaction (txBegin), since
         * dirty inodes may be committed while a new transaction on the
         * inode is blocked in txBegin or TxBeginAnon
         */
-       struct semaphore commit_sem;
-       /* xattr_sem allows us to access the xattrs without taking i_sem */
+       struct mutex commit_mutex;
+       /* xattr_sem allows us to access the xattrs without taking i_mutex */
        struct rw_semaphore xattr_sem;
        lid_t   xtlid;          /* lid of xtree lock on directory */
 #ifdef CONFIG_JFS_POSIX_ACL
@@ -152,6 +156,11 @@ struct jfs_sb_info {
        pxd_t           ait2;           /* pxd describing AIT copy      */
        char            uuid[16];       /* 128-bit uuid for volume      */
        char            loguuid[16];    /* 128-bit uuid for log */
+       /*
+        * commit_state is used for synchronization of the jfs_commit
+        * threads.  It is protected by LAZY_LOCK().
+        */
+       int             commit_state;   /* commit state */
        /* Formerly in ipimap */
        uint            gengen;         /* inode generation generator*/
        uint            inostamp;       /* shows inode belongs to fileset*/
@@ -159,16 +168,28 @@ struct jfs_sb_info {
         /* Formerly in ipbmap */
        struct bmap     *bmap;          /* incore bmap descriptor       */
        struct nls_table *nls_tab;      /* current codepage             */
+       struct inode *direct_inode;     /* metadata inode */
        uint            state;          /* mount/recovery state */
        unsigned long   flag;           /* mount time flags */
        uint            p_state;        /* state prior to going no integrity */
+       uint            uid;            /* uid to override on-disk uid */
+       uint            gid;            /* gid to override on-disk gid */
+       uint            umask;          /* umask to override on-disk umask */
 };
 
+/* jfs_sb_info commit_state */
+#define IN_LAZYCOMMIT 1
+
 static inline struct jfs_inode_info *JFS_IP(struct inode *inode)
 {
        return list_entry(inode, struct jfs_inode_info, vfs_inode);
 }
 
+static inline int jfs_dirtable_inline(struct inode *inode)
+{
+       return (JFS_IP(inode)->next_index <= (MAX_INLINE_DIRTABLE_ENTRY + 1));
+}
+
 static inline struct jfs_sb_info *JFS_SBI(struct super_block *sb)
 {
        return sb->s_fs_info;
@@ -180,5 +201,4 @@ static inline int isReadOnly(struct inode *inode)
                return 0;
        return 1;
 }
-
 #endif /* _H_JFS_INCORE */