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ecryptfs: stack fileattr ops 

Add stacking for the fileattr operations.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: Tyler Hicks <code@tyhicks.com>
This commit is contained in:
Miklos Szeredi 2021-04-07 14:36:42 +02:00
parent 4c5b479975
commit 97e2dee975
1 changed files with 22 additions and 0 deletions
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22
fs/ecryptfs/inode.c
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@ -18,6 +18,7 @@
#include <linux/fs_stack.h> #include <linux/fs_stack.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/xattr.h> #include <linux/xattr.h>
#include <linux/fileattr.h>
#include <asm/unaligned.h> #include <asm/unaligned.h>
#include "ecryptfs_kernel.h" #include "ecryptfs_kernel.h"
@ -1118,6 +1119,23 @@ static int ecryptfs_removexattr(struct dentry *dentry, struct inode *inode,
return rc; 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 = { const struct inode_operations ecryptfs_symlink_iops = {
.get_link = ecryptfs_get_link, .get_link = ecryptfs_get_link,
.permission = ecryptfs_permission, .permission = ecryptfs_permission,
@ -1139,6 +1157,8 @@ const struct inode_operations ecryptfs_dir_iops = {
.permission = ecryptfs_permission, .permission = ecryptfs_permission,
.setattr = ecryptfs_setattr, .setattr = ecryptfs_setattr,
.listxattr = ecryptfs_listxattr, .listxattr = ecryptfs_listxattr,
.fileattr_get = ecryptfs_fileattr_get,
.fileattr_set = ecryptfs_fileattr_set,
}; };
const struct inode_operations ecryptfs_main_iops = { const struct inode_operations ecryptfs_main_iops = {
@ -1146,6 +1166,8 @@ const struct inode_operations ecryptfs_main_iops = {
.setattr = ecryptfs_setattr, .setattr = ecryptfs_setattr,
.getattr = ecryptfs_getattr, .getattr = ecryptfs_getattr,
.listxattr = ecryptfs_listxattr, .listxattr = ecryptfs_listxattr,
.fileattr_get = ecryptfs_fileattr_get,
.fileattr_set = ecryptfs_fileattr_set,
}; };
static int ecryptfs_xattr_get(const struct xattr_handler *handler, static int ecryptfs_xattr_get(const struct xattr_handler *handler,