Commit ec1d595c authored by Alexander Viro's avatar Alexander Viro Committed by Linus Torvalds

[PATCH] (8/8) ->get_sb() switchover

converted fs/block_dev.c ("bdev") to ->get_sb.  use get_sb_nodev() as
helper. 
parent d35f746f
...@@ -220,7 +220,7 @@ static int block_fsync(struct file *filp, struct dentry *dentry, int datasync) ...@@ -220,7 +220,7 @@ static int block_fsync(struct file *filp, struct dentry *dentry, int datasync)
* pseudo-fs * pseudo-fs
*/ */
static struct super_block *bd_read_super(struct super_block *sb, void *data, int silent) static int bd_fill_super(struct super_block *sb, void *data, int silent)
{ {
static struct super_operations sops = {}; static struct super_operations sops = {};
struct inode *root; struct inode *root;
...@@ -232,22 +232,33 @@ static struct super_block *bd_read_super(struct super_block *sb, void *data, int ...@@ -232,22 +232,33 @@ static struct super_block *bd_read_super(struct super_block *sb, void *data, int
sb->s_op = &sops; sb->s_op = &sops;
root = new_inode(sb); root = new_inode(sb);
if (!root) if (!root)
return NULL; return -ENOMEM;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0; root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
sb->s_root = d_alloc(NULL, &(const struct qstr) { "bdev:", 5, 0 }); sb->s_root = d_alloc(NULL, &(const struct qstr) { "bdev:", 5, 0 });
if (!sb->s_root) { if (!sb->s_root) {
iput(root); iput(root);
return NULL; return -ENOMEM;
} }
sb->s_root->d_sb = sb; sb->s_root->d_sb = sb;
sb->s_root->d_parent = sb->s_root; sb->s_root->d_parent = sb->s_root;
d_instantiate(sb->s_root, root); d_instantiate(sb->s_root, root);
return sb; return 0;
} }
static DECLARE_FSTYPE(bd_type, "bdev", bd_read_super, FS_NOMOUNT); static struct super_block *bd_get_sb(struct file_system_type *fs_type,
int flags, char *dev_name, void *data)
{
return get_sb_nodev(fs_type, flags, data, bd_fill_super);
}
static struct file_system_type bd_type = {
owner: THIS_MODULE,
name: "bdev",
get_sb: bd_get_sb,
fs_flags: FS_NOMOUNT,
};
static struct vfsmount *bd_mnt; static struct vfsmount *bd_mnt;
......
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