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UPSTREAM: vfs: Convert ibmasmfs to use the new mount API

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Convert the ibmasmfs filesystem to the new internal mount API as the old
one will be obsoleted and removed.  This allows greater flexibility in
communication of mount parameters between userspace, the VFS and the
filesystem.

See Documentation/filesystems/mount_api.txt for more information.

Change-Id: I0522ef48712dcc28f98f7f97e2b5b508f6a2585b
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Arnd Bergmann <arnd@arndb.de>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells
2019-03-25 16:38:29 +00:00
committed by Thomas Turner
parent 25536f4824
commit a650e44c65
1 changed files with 16 additions and 7 deletions
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23
drivers/misc/ibmasm/ibmasmfs.c
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@ -74,6 +74,7 @@
*/
#include <linux/fs.h>
#include <linux/fs_context.h>
#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
@ -88,13 +89,21 @@ static LIST_HEAD(service_processors);
static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode);
static void ibmasmfs_create_files (struct super_block *sb);
static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent);
static int ibmasmfs_fill_super(struct super_block *sb, struct fs_context *fc);
static struct dentry *ibmasmfs_mount(struct file_system_type *fst,
int flags, const char *name, void *data)
static int ibmasmfs_get_tree(struct fs_context *fc)
{
return mount_single(fst, flags, data, ibmasmfs_fill_super);
return get_tree_single(fc, ibmasmfs_fill_super);
}
static const struct fs_context_operations ibmasmfs_context_ops = {
.get_tree = ibmasmfs_get_tree,
};
static int ibmasmfs_init_fs_context(struct fs_context *fc)
{
fc->ops = &ibmasmfs_context_ops;
return 0;
}
static const struct super_operations ibmasmfs_s_ops = {
@ -107,12 +116,12 @@ static const struct file_operations *ibmasmfs_dir_ops = &simple_dir_operations;
static struct file_system_type ibmasmfs_type = {
.owner = THIS_MODULE,
.name = "ibmasmfs",
.mount = ibmasmfs_mount,
.init_fs_context = ibmasmfs_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("ibmasmfs");
static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent)
static int ibmasmfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
struct inode *root;