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-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/fs/super_types.h1
-rw-r--r--include/uapi/linux/mount.h13
3 files changed, 11 insertions, 5 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 01f73f1eeb7b..ca31bc9308a3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2282,8 +2282,6 @@ struct file_system_type {
#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */
int (*init_fs_context)(struct fs_context *);
const struct fs_parameter_spec *parameters;
- struct dentry *(*mount) (struct file_system_type *, int,
- const char *, void *);
void (*kill_sb) (struct super_block *);
struct module *owner;
struct file_system_type * next;
diff --git a/include/linux/fs/super_types.h b/include/linux/fs/super_types.h
index 97a8552d8f2b..fa7638b81246 100644
--- a/include/linux/fs/super_types.h
+++ b/include/linux/fs/super_types.h
@@ -97,7 +97,6 @@ struct super_operations {
const void *owner);
int (*unfreeze_fs)(struct super_block *sb);
int (*statfs)(struct dentry *dentry, struct kstatfs *kstatfs);
- int (*remount_fs) (struct super_block *, int *, char *);
void (*umount_begin)(struct super_block *sb);
int (*show_options)(struct seq_file *seq, struct dentry *dentry);
diff --git a/include/uapi/linux/mount.h b/include/uapi/linux/mount.h
index 5d3f8c9e3a62..d9d86598d100 100644
--- a/include/uapi/linux/mount.h
+++ b/include/uapi/linux/mount.h
@@ -61,7 +61,8 @@
/*
* open_tree() flags.
*/
-#define OPEN_TREE_CLONE 1 /* Clone the target tree and attach the clone */
+#define OPEN_TREE_CLONE (1 << 0) /* Clone the target tree and attach the clone */
+#define OPEN_TREE_NAMESPACE (1 << 1) /* Clone the target tree into a new mount namespace */
#define OPEN_TREE_CLOEXEC O_CLOEXEC /* Close the file on execve() */
/*
@@ -197,7 +198,10 @@ struct statmount {
*/
struct mnt_id_req {
__u32 size;
- __u32 mnt_ns_fd;
+ union {
+ __u32 mnt_ns_fd;
+ __u32 mnt_fd;
+ };
__u64 mnt_id;
__u64 param;
__u64 mnt_ns_id;
@@ -232,4 +236,9 @@ struct mnt_id_req {
#define LSMT_ROOT 0xffffffffffffffff /* root mount */
#define LISTMOUNT_REVERSE (1 << 0) /* List later mounts first */
+/*
+ * @flag bits for statmount(2)
+ */
+#define STATMOUNT_BY_FD 0x00000001U /* want mountinfo for given fd */
+
#endif /* _UAPI_LINUX_MOUNT_H */