Commit 50889f53 authored by Al Viro's avatar Al Viro
Browse files

convert hugetlbfs 



Very much ramfs-like; dget()+d_instantiate() -> d_make_persistent()
(in two places) is all it takes.

NB: might make sense to turn its ->put_super() into ->kill_sb().

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent bdd80b5c

fs/hugetlbfs/inode.c

+5 −7
Original line number Diff line number Diff line
@@ -975,8 +975,7 @@ static int hugetlbfs_mknod(struct mnt_idmap *idmap, struct inode *dir, 
	if (!inode)

		return -ENOSPC;

	inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir));

	d_instantiate(dentry, inode);

	dget(dentry);/* Extra count - pin the dentry in core */

	d_make_persistent(dentry, inode);

	return 0;

}
@@ -1023,10 +1022,9 @@ static int hugetlbfs_symlink(struct mnt_idmap *idmap, 
	if (inode) {

		int l = strlen(symname)+1;

		error = page_symlink(inode, symname, l);

		if (!error) {

			d_instantiate(dentry, inode);

			dget(dentry);

		} else

		if (!error)

			d_make_persistent(dentry, inode);

		else

			iput(inode);

	}

	inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir));
@@ -1483,7 +1481,7 @@ static struct file_system_type hugetlbfs_fs_type = { 
	.name			= "hugetlbfs",

	.init_fs_context	= hugetlbfs_init_fs_context,

	.parameters		= hugetlb_fs_parameters,

	.kill_sb		= kill_litter_super,

	.kill_sb		= kill_anon_super,

	.fs_flags               = FS_ALLOW_IDMAP,

};