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| author | Amir Goldstein <amir73il@gmail.com> | 2017-11-08 20:23:36 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 12:19:25 +0300 |
| commit | d583ed7d138825fd9469d5419e23230ad39173e8 (patch) | |
| tree | 2da4bca9cba146bedead26fff6355b987a44b858 /fs/overlayfs/ovl_entry.h | |
| parent | 972d0093c2f7b1bd57e47a1780a552dde528fd16 (diff) | |
| download | linux-d583ed7d138825fd9469d5419e23230ad39173e8.tar.xz | |
ovl: store layer index in ovl_layer
Store the fs root layer index inside ovl_layer struct, so we can
get the root fs layer index from merge dir lower layer instead of
find it with ovl_find_layer() helper.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/ovl_entry.h')
| -rw-r--r-- | fs/overlayfs/ovl_entry.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h index 9d0bc03bf6e4..608e48755070 100644 --- a/fs/overlayfs/ovl_entry.h +++ b/fs/overlayfs/ovl_entry.h @@ -22,6 +22,8 @@ struct ovl_config { struct ovl_layer { struct vfsmount *mnt; dev_t pseudo_dev; + /* Index of this layer in fs root (upper == 0) */ + int idx; }; struct ovl_path { |