diff options
| author | Christian Brauner <brauner@kernel.org> | 2022-04-04 12:51:58 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2022-04-28 16:31:12 +0200 |
| commit | bc70682a497c4f3c968c552e465d1d9948b1ff4c (patch) | |
| tree | 44f03ede7ed4059fbc9d8c59896f322f94235dfa /fs/overlayfs | |
| parent | 8bc0095df6618371768ed43fb1c569707d2a1fb4 (diff) | |
| download | lwn-bc70682a497c4f3c968c552e465d1d9948b1ff4c.tar.gz lwn-bc70682a497c4f3c968c552e465d1d9948b1ff4c.zip | |
ovl: support idmapped layers
Now that overlay is able to take a layers idmapping into account allow
overlay mounts to be created on top of idmapped mounts.
Cc: <linux-unionfs@vger.kernel.org>
Tested-by: Giuseppe Scrivano <gscrivan@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
| -rw-r--r-- | fs/overlayfs/ovl_entry.h | 2 | ||||
| -rw-r--r-- | fs/overlayfs/super.c | 4 |
2 files changed, 1 insertions, 5 deletions
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h index 469162ca9b21..e1af8f660698 100644 --- a/fs/overlayfs/ovl_entry.h +++ b/fs/overlayfs/ovl_entry.h @@ -92,7 +92,7 @@ static inline struct vfsmount *ovl_upper_mnt(struct ovl_fs *ofs) static inline struct user_namespace *ovl_upper_mnt_userns(struct ovl_fs *ofs) { - return &init_user_ns; + return mnt_user_ns(ovl_upper_mnt(ofs)); } static inline struct ovl_fs *OVL_FS(struct super_block *sb) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 0123c8086ee9..e0a2e0468ee7 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -874,10 +874,6 @@ static int ovl_mount_dir_noesc(const char *name, struct path *path) pr_err("filesystem on '%s' not supported\n", name); goto out_put; } - if (is_idmapped_mnt(path->mnt)) { - pr_err("idmapped layers are currently not supported\n"); - goto out_put; - } if (!d_is_dir(path->dentry)) { pr_err("'%s' not a directory\n", name); goto out_put; |