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| author | Vivek Goyal <vgoyal@redhat.com> | 2016-07-01 20:34:26 (GMT) |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2016-07-29 10:05:23 (GMT) |
| commit | 39a25b2b37629f65e5a1eba1b353d0b47687c2ca (patch) | |
| tree | 9e167746ccbd3779aefa536d4e94d9b15009be8c /fs/overlayfs/super.c | |
| parent | 72e48481815eeca72fc886b3be91301ad87d6aeb (diff) | |
| download | linux-39a25b2b37629f65e5a1eba1b353d0b47687c2ca.tar.xz | |
ovl: define ->get_acl() for overlay inodes
Now we are planning to do DAC permission checks on overlay inode
itself. And to make it work, we will need to make sure we can get acls from
underlying inode. So define ->get_acl() for overlay inodes and this in turn
calls into underlying filesystem to get acls, if any.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 5341ca5..893d6e0 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -159,6 +159,13 @@ struct dentry *ovl_entry_real(struct ovl_entry *oe, bool *is_upper) return realdentry; } +struct inode *ovl_inode_real(struct inode *inode) +{ + bool tmp; + + return d_inode(ovl_entry_real(inode->i_private, &tmp)); +} + struct vfsmount *ovl_entry_mnt_real(struct ovl_entry *oe, struct inode *inode, bool is_upper) { @@ -1172,6 +1179,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &ovl_super_operations; sb->s_root = root_dentry; sb->s_fs_info = ufs; + sb->s_flags |= MS_POSIXACL; return 0; |