Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6

[pandora-kernel.git] / fs / affs / super.c

diff --git a/fs/affs/super.c b/fs/affs/super.c
index 9c30807..1735201 100644 (file)
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -14,11 +14,12 @@
 #include <linux/init.h>
 #include <linux/statfs.h>
 #include <linux/parser.h>
+#include <linux/magic.h>
 #include "affs.h"
 
 extern struct timezone sys_tz;
 
-static int affs_statfs(struct super_block *sb, struct kstatfs *buf);
+static int affs_statfs(struct dentry *dentry, struct kstatfs *buf);
 static int affs_remount (struct super_block *sb, int *flags, char *data);
 
 static void
@@ -35,8 +36,7 @@ affs_put_super(struct super_block *sb)
                mark_buffer_dirty(sbi->s_root_bh);
        }
 
-       if (sbi->s_prefix)
-               kfree(sbi->s_prefix);
+       kfree(sbi->s_prefix);
        affs_free_bitmap(sb);
        affs_brelse(sbi->s_root_bh);
        kfree(sbi);
@@ -99,7 +99,8 @@ static int init_inodecache(void)
 {
        affs_inode_cachep = kmem_cache_create("affs_inode_cache",
                                             sizeof(struct affs_inode_info),
-                                            0, SLAB_RECLAIM_ACCOUNT,
+                                            0, (SLAB_RECLAIM_ACCOUNT|
+                                               SLAB_MEM_SPREAD),
                                             init_once, NULL);
        if (affs_inode_cachep == NULL)
                return -ENOMEM;
@@ -198,10 +199,9 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
                        *mount_opts |= SF_MUFS;
                        break;
                case Opt_prefix:
-                       if (*prefix) {          /* Free any previous prefix */
-                               kfree(*prefix);
-                               *prefix = NULL;
-                       }
+                       /* Free any previous prefix */
+                       kfree(*prefix);
+                       *prefix = NULL;
                        *prefix = match_strdup(&args[0]);
                        if (!*prefix)
                                return 0;
@@ -272,6 +272,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
        int                      reserved;
        unsigned long            mount_flags;
        int                      tmp_flags;     /* fix remount prototype... */
+       u8                       sig[4];
 
        pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options");
 
@@ -371,8 +372,9 @@ got_root:
                printk(KERN_ERR "AFFS: Cannot read boot block\n");
                goto out_error;
        }
-       chksum = be32_to_cpu(*(__be32 *)boot_bh->b_data);
+       memcpy(sig, boot_bh->b_data, 4);
        brelse(boot_bh);
+       chksum = be32_to_cpu(*(__be32 *)sig);
 
        /* Dircache filesystems are compatible with non-dircache ones
         * when reading. As long as they aren't supported, writing is
@@ -421,11 +423,11 @@ got_root:
        }
 
        if (mount_flags & SF_VERBOSE) {
-               chksum = cpu_to_be32(chksum);
-               printk(KERN_NOTICE "AFFS: Mounting volume \"%*s\": Type=%.3s\\%c, Blocksize=%d\n",
-                       AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0],
+               u8 len = AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0];
+               printk(KERN_NOTICE "AFFS: Mounting volume \"%.*s\": Type=%.3s\\%c, Blocksize=%d\n",
+                       len > 31 ? 31 : len,
                        AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1,
-                       (char *)&chksum,((char *)&chksum)[3] + '0',blocksize);
+                       sig, sig[3] + '0', blocksize);
        }
 
        sb->s_flags |= MS_NODEV | MS_NOSUID;
@@ -462,11 +464,9 @@ got_root:
 out_error:
        if (root_inode)
                iput(root_inode);
-       if (sbi->s_bitmap)
-               kfree(sbi->s_bitmap);
+       kfree(sbi->s_bitmap);
        affs_brelse(root_bh);
-       if (sbi->s_prefix)
-               kfree(sbi->s_prefix);
+       kfree(sbi->s_prefix);
        kfree(sbi);
        sb->s_fs_info = NULL;
        return -EINVAL;
@@ -511,8 +511,9 @@ affs_remount(struct super_block *sb, int *flags, char *data)
 }
 
 static int
-affs_statfs(struct super_block *sb, struct kstatfs *buf)
+affs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
+       struct super_block *sb = dentry->d_sb;
        int              free;
 
        pr_debug("AFFS: statfs() partsize=%d, reserved=%d\n",AFFS_SB(sb)->s_partition_size,
@@ -527,10 +528,11 @@ affs_statfs(struct super_block *sb, struct kstatfs *buf)
        return 0;
 }
 
-static struct super_block *affs_get_sb(struct file_system_type *fs_type,
-       int flags, const char *dev_name, void *data)
+static int affs_get_sb(struct file_system_type *fs_type,
+       int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
-       return get_sb_bdev(fs_type, flags, dev_name, data, affs_fill_super);
+       return get_sb_bdev(fs_type, flags, dev_name, data, affs_fill_super,
+                          mnt);
 }
 
 static struct file_system_type affs_fs_type = {