diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-11-19 23:23:18 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-16 16:30:49 -0500 |
| commit | 066715d3fde4834cbbec88d12ca277c4185b9303 (patch) | |
| tree | 7ef0620aa5beab2a6e4d11de2c10caf321f10e58 | |
| parent | f4cc1c3810a0382ff76a4e119a21b90b84dbe195 (diff) | |
clone_private_mount() doesn't need to touch namespace_sem
not for CL_PRIVATE clone_mnt()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/namespace.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index a1a04dd1ebfc..ec726ae00579 100644 --- a/fs/namespace.c +++ b/fs/namespace.c | |||
| @@ -1795,9 +1795,7 @@ struct vfsmount *clone_private_mount(struct path *path) | |||
| 1795 | if (IS_MNT_UNBINDABLE(old_mnt)) | 1795 | if (IS_MNT_UNBINDABLE(old_mnt)) |
| 1796 | return ERR_PTR(-EINVAL); | 1796 | return ERR_PTR(-EINVAL); |
| 1797 | 1797 | ||
| 1798 | down_read(&namespace_sem); | ||
| 1799 | new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE); | 1798 | new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE); |
| 1800 | up_read(&namespace_sem); | ||
| 1801 | if (IS_ERR(new_mnt)) | 1799 | if (IS_ERR(new_mnt)) |
| 1802 | return ERR_CAST(new_mnt); | 1800 | return ERR_CAST(new_mnt); |
| 1803 | 1801 | ||