patch-2.3.51 linux/fs/efs/super.c

• Lines: 80
• Date: Fri Mar 10 10:48:48 2000
• Orig file: v2.3.50/linux/fs/efs/super.c
• Orig date: Sat Feb 26 22:31:52 2000

diff -u --recursive --new-file v2.3.50/linux/fs/efs/super.c linux/fs/efs/super.c
@@ -13,12 +13,7 @@
 #include <linux/efs_vh.h>
 #include <linux/efs_fs_sb.h>
 
-static struct file_system_type efs_fs_type = {
-	"efs",			/* filesystem name */
-	FS_REQUIRES_DEV,	/* fs_flags */
-	efs_read_super,		/* entry function pointer */
-	NULL 			/* next */
-};
+static DECLARE_FSTYPE_DEV(efs_fs_type, "efs", efs_read_super);
 
 static struct super_operations efs_superblock_operations = {
 	read_inode:	efs_read_inode,
@@ -145,9 +140,6 @@
 	struct efs_sb_info *sb;
 	struct buffer_head *bh;
 
-	MOD_INC_USE_COUNT;
-	lock_super(s);
-  
  	sb = SUPER_INFO(s);
 
 	set_blocksize(dev, EFS_BLOCKSIZE);
@@ -199,7 +191,6 @@
 	s->s_op   = &efs_superblock_operations;
 	s->s_dev  = dev;
 	s->s_root = d_alloc_root(iget(s, EFS_ROOTINODE));
-	unlock_super(s);
  
 	if (!(s->s_root)) {
 		printk(KERN_ERR "EFS: get root inode failed\n");
@@ -214,35 +205,30 @@
 	return(s);
 
 out_no_fs_ul:
-	unlock_super(s);
 out_no_fs:
-	s->s_dev = 0;
-	MOD_DEC_USE_COUNT;
 	return(NULL);
 }
 
 void efs_put_super(struct super_block *s) {
-	MOD_DEC_USE_COUNT;
 }
 
-int efs_statfs(struct super_block *s, struct statfs *buf, int bufsiz) {
-	struct statfs ret;
+int efs_statfs(struct super_block *s, struct statfs *buf) {
 	struct efs_sb_info *sb = SUPER_INFO(s);
 
-	ret.f_type    = EFS_SUPER_MAGIC;	/* efs magic number */
-	ret.f_bsize   = EFS_BLOCKSIZE;		/* blocksize */
-	ret.f_blocks  = sb->total_groups *	/* total data blocks */
+	buf->f_type    = EFS_SUPER_MAGIC;	/* efs magic number */
+	buf->f_bsize   = EFS_BLOCKSIZE;		/* blocksize */
+	buf->f_blocks  = sb->total_groups *	/* total data blocks */
 			(sb->group_size - sb->inode_blocks);
-	ret.f_bfree   = sb->data_free;		/* free data blocks */
-	ret.f_bavail  = sb->data_free;		/* free blocks for non-root */
-	ret.f_files   = sb->total_groups *	/* total inodes */
+	buf->f_bfree   = sb->data_free;		/* free data blocks */
+	buf->f_bavail  = sb->data_free;		/* free blocks for non-root */
+	buf->f_files   = sb->total_groups *	/* total inodes */
 			sb->inode_blocks *
 			(EFS_BLOCKSIZE / sizeof(struct efs_dinode));
-	ret.f_ffree   = sb->inode_free;	/* free inodes */
-	ret.f_fsid.val[0] = (sb->fs_magic >> 16) & 0xffff; /* fs ID */
-	ret.f_fsid.val[1] =  sb->fs_magic        & 0xffff; /* fs ID */
-	ret.f_namelen = EFS_MAXNAMELEN;		/* max filename length */
+	buf->f_ffree   = sb->inode_free;	/* free inodes */
+	buf->f_fsid.val[0] = (sb->fs_magic >> 16) & 0xffff; /* fs ID */
+	buf->f_fsid.val[1] =  sb->fs_magic        & 0xffff; /* fs ID */
+	buf->f_namelen = EFS_MAXNAMELEN;	/* max filename length */
 
-	return copy_to_user(buf, &ret, bufsiz) ? -EFAULT : 0;
+	return 0;
 }