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authorMiklos Szeredi <mszeredi@redhat.com>2021-04-07 15:36:42 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2021-04-12 16:04:29 +0300
commit97e2dee9752bbd0eddfaec47e8036d35947521d9 (patch)
tree501de28766249a4a7821123e74fec2379dc322de /fs/ecryptfs
parent4c5b479975212065ef39786e115fde42847e95a9 (diff)
downloadlinux-97e2dee9752bbd0eddfaec47e8036d35947521d9.tar.xz
ecryptfs: stack fileattr ops
Add stacking for the fileattr operations. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Cc: Tyler Hicks <code@tyhicks.com>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/inode.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 18e9285fbb4c..7169ea873347 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -18,6 +18,7 @@
#include <linux/fs_stack.h>
#include <linux/slab.h>
#include <linux/xattr.h>
+#include <linux/fileattr.h>
#include <asm/unaligned.h>
#include "ecryptfs_kernel.h"
@@ -1118,6 +1119,23 @@ out:
return rc;
}
+static int ecryptfs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
+{
+ return vfs_fileattr_get(ecryptfs_dentry_to_lower(dentry), fa);
+}
+
+static int ecryptfs_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa)
+{
+ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+ int rc;
+
+ rc = vfs_fileattr_set(&init_user_ns, lower_dentry, fa);
+ fsstack_copy_attr_all(d_inode(dentry), d_inode(lower_dentry));
+
+ return rc;
+}
+
const struct inode_operations ecryptfs_symlink_iops = {
.get_link = ecryptfs_get_link,
.permission = ecryptfs_permission,
@@ -1139,6 +1157,8 @@ const struct inode_operations ecryptfs_dir_iops = {
.permission = ecryptfs_permission,
.setattr = ecryptfs_setattr,
.listxattr = ecryptfs_listxattr,
+ .fileattr_get = ecryptfs_fileattr_get,
+ .fileattr_set = ecryptfs_fileattr_set,
};
const struct inode_operations ecryptfs_main_iops = {
@@ -1146,6 +1166,8 @@ const struct inode_operations ecryptfs_main_iops = {
.setattr = ecryptfs_setattr,
.getattr = ecryptfs_getattr,
.listxattr = ecryptfs_listxattr,
+ .fileattr_get = ecryptfs_fileattr_get,
+ .fileattr_set = ecryptfs_fileattr_set,
};
static int ecryptfs_xattr_get(const struct xattr_handler *handler,