[PATCH] VFS: Permit filesystem to perform statfs with a known root dentry

[safe/jmp/linux-2.6] / fs / isofs / inode.c

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index fcb6815..3f9c8ba 100644 (file)
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -56,7 +56,7 @@ static void isofs_put_super(struct super_block *sb)
 }
 
 static void isofs_read_inode(struct inode *);
-static int isofs_statfs (struct super_block *, struct kstatfs *);
+static int isofs_statfs (struct dentry *, struct kstatfs *);
 
 static kmem_cache_t *isofs_inode_cachep;
 
@@ -87,7 +87,8 @@ static int init_inodecache(void)
 {
        isofs_inode_cachep = kmem_cache_create("isofs_inode_cache",
                                             sizeof(struct iso_inode_info),
-                                            0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
+                                            0, (SLAB_RECLAIM_ACCOUNT|
+                                               SLAB_MEM_SPREAD),
                                             init_once, NULL);
        if (isofs_inode_cachep == NULL)
                return -ENOMEM;
@@ -900,8 +901,10 @@ out_freesbi:
        return -EINVAL;
 }
 
-static int isofs_statfs (struct super_block *sb, struct kstatfs *buf)
+static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
 {
+       struct super_block *sb = dentry->d_sb;
+
        buf->f_type = ISOFS_SUPER_MAGIC;
        buf->f_bsize = sb->s_blocksize;
        buf->f_blocks = (ISOFS_SB(sb)->s_nzones
@@ -1398,10 +1401,11 @@ struct inode *isofs_iget(struct super_block *sb,
        return inode;
 }
 
-static struct super_block *isofs_get_sb(struct file_system_type *fs_type,
-       int flags, const char *dev_name, void *data)
+static int isofs_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, isofs_fill_super);
+       return get_sb_bdev(fs_type, flags, dev_name, data, isofs_fill_super,
+                          mnt);
 }
 
 static struct file_system_type iso9660_fs_type = {