diff options
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 537dd96bea08..edc1c4aef757 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1048,15 +1048,12 @@ static int show_mountinfo(struct seq_file *m, void *v) if (err) goto out; seq_putc(m, ' '); - seq_path_root(m, &mnt_path, &root, " \t\n\\"); - if (root.mnt != p->root.mnt || root.dentry != p->root.dentry) { - /* - * Mountpoint is outside root, discard that one. Ugly, - * but less so than trying to do that in iterator in a - * race-free way (due to renames). - */ - return SEQ_SKIP; - } + + /* mountpoints outside of chroot jail will give SEQ_SKIP on this */ + err = seq_path_root(m, &mnt_path, &root, " \t\n\\"); + if (err) + goto out; + seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw"); show_mnt_opts(m, mnt); @@ -2725,3 +2722,8 @@ struct vfsmount *kern_mount_data(struct file_system_type *type, void *data) return vfs_kern_mount(type, MS_KERNMOUNT, type->name, data); } EXPORT_SYMBOL_GPL(kern_mount_data); + +bool our_mnt(struct vfsmount *mnt) +{ + return check_mnt(mnt); +} |