summaryrefslogtreecommitdiff
path: root/fs/overlayfs/inode.c
diff options
context:
space:
mode:
authorVivek Goyal <vgoyal@redhat.com>2018-05-11 18:49:30 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2018-07-20 10:56:11 +0300
commit2664bd0897c2889258472a1ee922ef9d4c5fa58f (patch)
tree4451f757dc52c00751c3158c24dc1bb004a6bc59 /fs/overlayfs/inode.c
parent67d756c27ac4f4576dee313579724bd8711bc75e (diff)
downloadlinux-2664bd0897c2889258472a1ee922ef9d4c5fa58f.tar.xz
ovl: Store lower data inode in ovl_inode
Right now ovl_inode stores inode pointer for lower inode. This helps with quickly getting lower inode given overlay inode (ovl_inode_lower()). Now with metadata only copy-up, we can have metacopy inode in middle layer as well and inode containing data can be different from ->lower. I need to be able to open the real file in ovl_open_realfile() and for that I need to quickly find the lower data inode. Hence store lower data inode also in ovl_inode. Also provide an helper ovl_inode_lowerdata() to access this field. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/inode.c')
-rw-r--r--fs/overlayfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 2a5a38c81961..12553274eae7 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -864,7 +864,7 @@ struct inode *ovl_get_inode(struct super_block *sb,
}
}
ovl_fill_inode(inode, realinode->i_mode, realinode->i_rdev, ino, fsid);
- ovl_inode_init(inode, upperdentry, lowerdentry);
+ ovl_inode_init(inode, upperdentry, lowerdentry, oip->lowerdata);
if (upperdentry && ovl_is_impuredir(upperdentry))
ovl_set_flag(OVL_IMPURE, inode);