m68k: Handle 68040 bus faults

[safe/jmp/linux-2.6] / fs / jfs / super.c

diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 9c1c6e0..50ea654 100644 (file)
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -27,6 +27,7 @@
 #include <linux/kthread.h>
 #include <linux/posix_acl.h>
 #include <linux/buffer_head.h>
+#include <linux/exportfs.h>
 #include <asm/uaccess.h>
 #include <linux/seq_file.h>
 
@@ -44,10 +45,10 @@ MODULE_DESCRIPTION("The Journaled Filesystem (JFS)");
 MODULE_AUTHOR("Steve Best/Dave Kleikamp/Barry Arndt, IBM");
 MODULE_LICENSE("GPL");
 
-static kmem_cache_t * jfs_inode_cachep;
+static struct kmem_cache * jfs_inode_cachep;
 
-static struct super_operations jfs_super_operations;
-static struct export_operations jfs_export_operations;
+static const struct super_operations jfs_super_operations;
+static const struct export_operations jfs_export_operations;
 static struct file_system_type jfs_fs_type;
 
 #define MAX_COMMIT_THREADS 64
@@ -93,7 +94,7 @@ void jfs_error(struct super_block *sb, const char * function, ...)
        va_list args;
 
        va_start(args, function);
-       vsprintf(error_buf, function, args);
+       vsnprintf(error_buf, sizeof(error_buf), function, args);
        va_end(args);
 
        printk(KERN_ERR "ERROR: (device %s): %s\n", sb->s_id, error_buf);
@@ -413,7 +414,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
        struct inode *inode;
        int rc;
        s64 newLVSize = 0;
-       int flag;
+       int flag, ret = -EINVAL;
 
        jfs_info("In jfs_read_super: s_flags=0x%lx", sb->s_flags);
 
@@ -460,8 +461,10 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
         * Initialize direct-mapping inode/address-space
         */
        inode = new_inode(sb);
-       if (inode == NULL)
+       if (inode == NULL) {
+               ret = -ENOMEM;
                goto out_kfree;
+       }
        inode->i_ino = 0;
        inode->i_nlink = 1;
        inode->i_size = sb->s_bdev->bd_inode->i_size;
@@ -493,9 +496,11 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
 
        sb->s_magic = JFS_SUPER_MAGIC;
 
-       inode = iget(sb, ROOT_I);
-       if (!inode || is_bad_inode(inode))
+       inode = jfs_iget(sb, ROOT_I);
+       if (IS_ERR(inode)) {
+               ret = PTR_ERR(inode);
                goto out_no_root;
+       }
        sb->s_root = d_alloc_root(inode);
        if (!sb->s_root)
                goto out_no_root;
@@ -535,7 +540,7 @@ out_kfree:
        if (sbi->nls_tab)
                unload_nls(sbi->nls_tab);
        kfree(sbi);
-       return -EINVAL;
+       return ret;
 }
 
 static void jfs_write_super_lockfs(struct super_block *sb)
@@ -597,6 +602,12 @@ static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
                seq_printf(seq, ",umask=%03o", sbi->umask);
        if (sbi->flag & JFS_NOINTEGRITY)
                seq_puts(seq, ",nointegrity");
+       if (sbi->nls_tab)
+               seq_printf(seq, ",iocharset=%s", sbi->nls_tab->charset);
+       if (sbi->flag & JFS_ERR_CONTINUE)
+               seq_printf(seq, ",errors=continue");
+       if (sbi->flag & JFS_ERR_PANIC)
+               seq_printf(seq, ",errors=panic");
 
 #ifdef CONFIG_QUOTA
        if (sbi->flag & JFS_USRQUOTA)
@@ -716,10 +727,9 @@ out:
 
 #endif
 
-static struct super_operations jfs_super_operations = {
+static const struct super_operations jfs_super_operations = {
        .alloc_inode    = jfs_alloc_inode,
        .destroy_inode  = jfs_destroy_inode,
-       .read_inode     = jfs_read_inode,
        .dirty_inode    = jfs_dirty_inode,
        .write_inode    = jfs_write_inode,
        .delete_inode   = jfs_delete_inode,
@@ -736,7 +746,9 @@ static struct super_operations jfs_super_operations = {
 #endif
 };
 
-static struct export_operations jfs_export_operations = {
+static const struct export_operations jfs_export_operations = {
+       .fh_to_dentry   = jfs_fh_to_dentry,
+       .fh_to_parent   = jfs_fh_to_parent,
        .get_parent     = jfs_get_parent,
 };
 
@@ -748,25 +760,22 @@ static struct file_system_type jfs_fs_type = {
        .fs_flags       = FS_REQUIRES_DEV,
 };
 
-static void init_once(void *foo, kmem_cache_t * cachep, unsigned long flags)
+static void init_once(struct kmem_cache *cachep, void *foo)
 {
        struct jfs_inode_info *jfs_ip = (struct jfs_inode_info *) foo;
 
-       if ((flags & (SLAB_CTOR_VERIFY | SLAB_CTOR_CONSTRUCTOR)) ==
-           SLAB_CTOR_CONSTRUCTOR) {
-               memset(jfs_ip, 0, sizeof(struct jfs_inode_info));
-               INIT_LIST_HEAD(&jfs_ip->anon_inode_list);
-               init_rwsem(&jfs_ip->rdwrlock);
-               mutex_init(&jfs_ip->commit_mutex);
-               init_rwsem(&jfs_ip->xattr_sem);
-               spin_lock_init(&jfs_ip->ag_lock);
-               jfs_ip->active_ag = -1;
+       memset(jfs_ip, 0, sizeof(struct jfs_inode_info));
+       INIT_LIST_HEAD(&jfs_ip->anon_inode_list);
+       init_rwsem(&jfs_ip->rdwrlock);
+       mutex_init(&jfs_ip->commit_mutex);
+       init_rwsem(&jfs_ip->xattr_sem);
+       spin_lock_init(&jfs_ip->ag_lock);
+       jfs_ip->active_ag = -1;
 #ifdef CONFIG_JFS_POSIX_ACL
-               jfs_ip->i_acl = JFS_ACL_NOT_CACHED;
-               jfs_ip->i_default_acl = JFS_ACL_NOT_CACHED;
+       jfs_ip->i_acl = JFS_ACL_NOT_CACHED;
+       jfs_ip->i_default_acl = JFS_ACL_NOT_CACHED;
 #endif
-               inode_init_once(&jfs_ip->vfs_inode);
-       }
+       inode_init_once(&jfs_ip->vfs_inode);
 }
 
 static int __init init_jfs_fs(void)
@@ -777,7 +786,7 @@ static int __init init_jfs_fs(void)
        jfs_inode_cachep =
            kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
                            SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-                           init_once, NULL);
+                           init_once);
        if (jfs_inode_cachep == NULL)
                return -ENOMEM;