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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-19 10:42:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-19 10:42:02 -0700
commit933a90bf4f3505f8ec83bda21a3c7d70d7c2b426 (patch)
treeca81c209000a15670e3582760ad9bae1a9cde215 /fs/binfmt_misc.c
parent5f4fc6d440d77a2cf74fe4ea56955674ac7e35e7 (diff)
parent037f11b4752f717201143a1dc5d6acf3cb71ddfa (diff)
downloadlinux-933a90bf4f3505f8ec83bda21a3c7d70d7c2b426.tar.gz
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
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()
  ...
Diffstat (limited to 'fs/binfmt_misc.c')
-rw-r--r--fs/binfmt_misc.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index b8e145552ec7..cdb45829354d 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -23,6 +23,7 @@
 #include <linux/pagemap.h>
 #include <linux/namei.h>
 #include <linux/mount.h>
+#include <linux/fs_context.h>
 #include <linux/syscalls.h>
 #include <linux/fs.h>
 #include <linux/uaccess.h>
@@ -821,7 +822,7 @@ static const struct super_operations s_ops = {
 	.evict_inode	= bm_evict_inode,
 };
 
-static int bm_fill_super(struct super_block *sb, void *data, int silent)
+static int bm_fill_super(struct super_block *sb, struct fs_context *fc)
 {
 	int err;
 	static const struct tree_descr bm_files[] = {
@@ -836,10 +837,19 @@ static int bm_fill_super(struct super_block *sb, void *data, int silent)
 	return err;
 }
 
-static struct dentry *bm_mount(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
+static int bm_get_tree(struct fs_context *fc)
 {
-	return mount_single(fs_type, flags, data, bm_fill_super);
+	return get_tree_single(fc, bm_fill_super);
+}
+
+static const struct fs_context_operations bm_context_ops = {
+	.get_tree	= bm_get_tree,
+};
+
+static int bm_init_fs_context(struct fs_context *fc)
+{
+	fc->ops = &bm_context_ops;
+	return 0;
 }
 
 static struct linux_binfmt misc_format = {
@@ -850,7 +860,7 @@ static struct linux_binfmt misc_format = {
 static struct file_system_type bm_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "binfmt_misc",
-	.mount		= bm_mount,
+	.init_fs_context = bm_init_fs_context,
 	.kill_sb	= kill_litter_super,
 };
 MODULE_ALIAS_FS("binfmt_misc");