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ovl: improve ovl_get_acl() if POSIX ACL support is off

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Provide a proper stub for the !CONFIG_FS_POSIX_ACL case.

Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Yang Xu 2022-07-28 10:49:24 +08:00 committed by Miklos Szeredi
parent 9c5dd8034e
commit ded536561a
2 changed files with 9 additions and 1 deletions
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4
fs/overlayfs/inode.c
View File

@ -454,13 +454,14 @@ ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size)
return res;
}
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *ovl_get_acl(struct inode *inode, int type, bool rcu)
{
struct inode *realinode = ovl_inode_real(inode);
const struct cred *old_cred;
struct posix_acl *acl;
if (!IS_ENABLED(CONFIG_FS_POSIX_ACL) || !IS_POSIXACL(realinode))
if (!IS_POSIXACL(realinode))
return NULL;
if (rcu)
@ -472,6 +473,7 @@ struct posix_acl *ovl_get_acl(struct inode *inode, int type, bool rcu)
return acl;
}
#endif
int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags)
{

6
fs/overlayfs/overlayfs.h
View File

@ -599,7 +599,13 @@ int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
void *value, size_t size);
ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size);
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *ovl_get_acl(struct inode *inode, int type, bool rcu);
#else
#define ovl_get_acl NULL
#endif
int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags);
bool ovl_is_private_xattr(struct super_block *sb, const char *name);