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Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull vfs mount updates from Al Viro:
 "The first part of mount updates.

  Convert filesystems to use the new mount API"

* 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  mnt_init(): call shmem_init() unconditionally
  constify ksys_mount() string arguments
  don't bother with registering rootfs
  init_rootfs(): don't bother with init_ramfs_fs()
  vfs: Convert smackfs to use the new mount API
  vfs: Convert selinuxfs to use the new mount API
  vfs: Convert securityfs to use the new mount API
  vfs: Convert apparmorfs to use the new mount API
  vfs: Convert openpromfs to use the new mount API
  vfs: Convert xenfs to use the new mount API
  vfs: Convert gadgetfs to use the new mount API
  vfs: Convert oprofilefs to use the new mount API
  vfs: Convert ibmasmfs to use the new mount API
  vfs: Convert qib_fs/ipathfs to use the new mount API
  vfs: Convert efivarfs to use the new mount API
  vfs: Convert configfs to use the new mount API
  vfs: Convert binfmt_misc to use the new mount API
  convenience helper: get_tree_single()
  convenience helper get_tree_nodev()
  vfs: Kill sget_userns()
  ...
This commit is contained in:
Linus Torvalds
2019-07-19 10:42:02 -07:00
parent 5f4fc6d440 037f11b475
commit 933a90bf4f
60 changed files with 584 additions and 536 deletions
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21
drivers/xen/xenfs/super.c
View File

@@ -14,6 +14,7 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/fs_context.h>
#include <linux/magic.h>
#include <xen/xen.h>
@@ -43,7 +44,7 @@ static const struct file_operations capabilities_file_ops = {
.llseek = default_llseek,
};
static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
static int xenfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
static const struct tree_descr xenfs_files[] = {
[2] = { "xenbus", &xen_xenbus_fops, S_IRUSR|S_IWUSR },
@@ -68,17 +69,25 @@ static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
xen_initial_domain() ? xenfs_init_files : xenfs_files);
}
static struct dentry *xenfs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name,
void *data)
static int xenfs_get_tree(struct fs_context *fc)
{
return mount_single(fs_type, flags, data, xenfs_fill_super);
return get_tree_single(fc, xenfs_fill_super);
}
static const struct fs_context_operations xenfs_context_ops = {
.get_tree = xenfs_get_tree,
};
static int xenfs_init_fs_context(struct fs_context *fc)
{
fc->ops = &xenfs_context_ops;
return 0;
}
static struct file_system_type xenfs_type = {
.owner = THIS_MODULE,
.name = "xenfs",
.mount = xenfs_mount,
.init_fs_context = xenfs_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("xenfs");