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Diffstat (limited to 'fs/ecryptfs/inode.c')
-rw-r--r--fs/ecryptfs/inode.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index c214fe0981bd..f3cd00fac9c3 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -18,6 +18,8 @@
#include <linux/fs_stack.h>
#include <linux/slab.h>
#include <linux/xattr.h>
+#include <linux/posix_acl.h>
+#include <linux/posix_acl_xattr.h>
#include <linux/fileattr.h>
#include <asm/unaligned.h>
#include "ecryptfs_kernel.h"
@@ -1120,6 +1122,28 @@ static int ecryptfs_fileattr_set(struct user_namespace *mnt_userns,
return rc;
}
+static struct posix_acl *ecryptfs_get_acl(struct user_namespace *mnt_userns,
+ struct dentry *dentry, int type)
+{
+ return vfs_get_acl(mnt_userns, ecryptfs_dentry_to_lower(dentry),
+ posix_acl_xattr_name(type));
+}
+
+static int ecryptfs_set_acl(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct posix_acl *acl,
+ int type)
+{
+ int rc;
+ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+ struct inode *lower_inode = d_inode(lower_dentry);
+
+ rc = vfs_set_acl(&init_user_ns, lower_dentry,
+ posix_acl_xattr_name(type), acl);
+ if (!rc)
+ fsstack_copy_attr_all(d_inode(dentry), lower_inode);
+ return rc;
+}
+
const struct inode_operations ecryptfs_symlink_iops = {
.get_link = ecryptfs_get_link,
.permission = ecryptfs_permission,
@@ -1143,6 +1167,8 @@ const struct inode_operations ecryptfs_dir_iops = {
.listxattr = ecryptfs_listxattr,
.fileattr_get = ecryptfs_fileattr_get,
.fileattr_set = ecryptfs_fileattr_set,
+ .get_acl = ecryptfs_get_acl,
+ .set_acl = ecryptfs_set_acl,
};
const struct inode_operations ecryptfs_main_iops = {
@@ -1152,6 +1178,8 @@ const struct inode_operations ecryptfs_main_iops = {
.listxattr = ecryptfs_listxattr,
.fileattr_get = ecryptfs_fileattr_get,
.fileattr_set = ecryptfs_fileattr_set,
+ .get_acl = ecryptfs_get_acl,
+ .set_acl = ecryptfs_set_acl,
};
static int ecryptfs_xattr_get(const struct xattr_handler *handler,
@@ -1182,6 +1210,10 @@ static const struct xattr_handler ecryptfs_xattr_handler = {
};
const struct xattr_handler *ecryptfs_xattr_handlers[] = {
+#ifdef CONFIG_FS_POSIX_ACL
+ &posix_acl_access_xattr_handler,
+ &posix_acl_default_xattr_handler,
+#endif
&ecryptfs_xattr_handler,
NULL
};