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| author |   Amir Goldstein <amir73il@gmail.com> | 2022-04-04 12:51:47 +0200 |
|---|---|---|
| committer |   Miklos Szeredi <mszeredi@redhat.com> | 2022-04-28 16:31:11 +0200 |
| commit | 1248ea4b91bcdafefdb025087e67d58382cfc9eb (patch) | |
| tree | b2cdefa0cfc7da672d6e39ce956bea16f0efd8ec /fs/overlayfs/overlayfs.h | |
| parent | ovl: pass ofs to setattr operations (diff) | |
| download | linux-dev-1248ea4b91bcdafefdb025087e67d58382cfc9eb.tar.xz linux-dev-1248ea4b91bcdafefdb025087e67d58382cfc9eb.zip | |
ovl: pass layer mnt to ovl_open_realfile()
Ensure that ovl_open_realfile() takes the mount's idmapping into
account. We add a new helper ovl_path_realdata() that can be used to
easily retrieve the relevant path which we can pass down. This is needed
to support idmapped base layers with overlay.
Cc: <linux-unionfs@vger.kernel.org>
Tested-by: Giuseppe Scrivano <gscrivan@redhat.com>
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-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/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 40bf3d184bdb..d6405c2046ed 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -320,6 +320,7 @@ void ovl_path_upper(struct dentry *dentry, struct path *path); void ovl_path_lower(struct dentry *dentry, struct path *path); void ovl_path_lowerdata(struct dentry *dentry, struct path *path); enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path); +enum ovl_path_type ovl_path_realdata(struct dentry *dentry, struct path *path); struct dentry *ovl_dentry_upper(struct dentry *dentry); struct dentry *ovl_dentry_lower(struct dentry *dentry); struct dentry *ovl_dentry_lowerdata(struct dentry *dentry); |