Re: [PATCH 1/4] fs/ntfs3: In function ntfs_set_acl_ex do not change inode->i_mode if called from function ntfs_init_acl

From: Joe Perches
Date: Mon Oct 25 2021 - 13:13:14 EST


On Mon, 2021-10-25 at 19:58 +0300, Konstantin Komarov wrote:
> ntfs_init_acl sets mode. ntfs_init_acl calls ntfs_set_acl_ex.
> ntfs_set_acl_ex must not change this mode.
> Fixes xfstest generic/444
> Fixes: 83e8f5032e2d ("fs/ntfs3: Add attrib operations")

trivia:

> diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c
[]
> @@ -538,7 +538,7 @@ struct posix_acl *ntfs_get_acl(struct inode *inode, int type)
>
> static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
> struct inode *inode, struct posix_acl *acl,
> - int type)
> + int type, int init_acl)

bool init_acl?

> @@ -613,7 +614,7 @@ static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
> int ntfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
> struct posix_acl *acl, int type)
> {
> - return ntfs_set_acl_ex(mnt_userns, inode, acl, type);
> + return ntfs_set_acl_ex(mnt_userns, inode, acl, type, 0);

false

> }
>
> /*
> @@ -633,7 +634,7 @@ int ntfs_init_acl(struct user_namespace *mnt_userns, struct inode *inode,
>
> if (default_acl) {
> err = ntfs_set_acl_ex(mnt_userns, inode, default_acl,
> - ACL_TYPE_DEFAULT);
> + ACL_TYPE_DEFAULT, 1);

true, etc...