diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/namespace.c | 2 | ||||
| -rw-r--r-- | fs/super.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 88058de..32dcd24 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1984,7 +1984,7 @@ long do_mount(char *dev_name, char *dir_name, char *type_page, if (flags & MS_RDONLY) mnt_flags |= MNT_READONLY; - flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | + flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN | MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT | MS_STRICTATIME); @@ -305,8 +305,13 @@ retry: if (s) { up_write(&s->s_umount); destroy_super(s); + s = NULL; } down_write(&old->s_umount); + if (unlikely(!(old->s_flags & MS_BORN))) { + deactivate_locked_super(old); + goto retry; + } return old; } } @@ -918,6 +923,7 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void goto out_free_secdata; BUG_ON(!mnt->mnt_sb); WARN_ON(!mnt->mnt_sb->s_bdi); + mnt->mnt_sb->s_flags |= MS_BORN; error = security_sb_kern_mount(mnt->mnt_sb, flags, secdata); if (error) |