libata: Add ATA_HORKAGE_NO_NCQ_ON_ATI for Samsung 860 and 870 SSD.

[linux-2.6-microblaze.git] / include / linux / mount.h

diff --git a/include/linux/mount.h b/include/linux/mount.h
index aaf343b..5d92a7e 100644 (file)
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -72,14 +72,20 @@ struct vfsmount {
        struct dentry *mnt_root;        /* root of the mounted tree */
        struct super_block *mnt_sb;     /* pointer to superblock */
        int mnt_flags;
+       struct user_namespace *mnt_userns;
 } __randomize_layout;
 
+static inline struct user_namespace *mnt_user_ns(const struct vfsmount *mnt)
+{
+       /* Pairs with smp_store_release() in do_idmap_mount(). */
+       return smp_load_acquire(&mnt->mnt_userns);
+}
+
 struct file; /* forward dec */
 struct path;
 
 extern int mnt_want_write(struct vfsmount *mnt);
 extern int mnt_want_write_file(struct file *file);
-extern int mnt_clone_write(struct vfsmount *mnt);
 extern void mnt_drop_write(struct vfsmount *mnt);
 extern void mnt_drop_write_file(struct file *file);
 extern void mntput(struct vfsmount *mnt);