fs: make posix_acl_create more useful
Rename the current posix_acl_created to __posix_acl_create and add
a fully featured helper to set up the ACLs on file creation that
uses get_acl().
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 8b64e78..f7e6f6c 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -88,14 +88,16 @@
extern int posix_acl_permission(struct inode *, const struct posix_acl *, int);
extern struct posix_acl *posix_acl_from_mode(umode_t, gfp_t);
extern int posix_acl_equiv_mode(const struct posix_acl *, umode_t *);
-extern int posix_acl_create(struct posix_acl **, gfp_t, umode_t *);
+extern int __posix_acl_create(struct posix_acl **, gfp_t, umode_t *);
extern int __posix_acl_chmod(struct posix_acl **, gfp_t, umode_t);
extern struct posix_acl *get_posix_acl(struct inode *, int);
extern int set_posix_acl(struct inode *, int, struct posix_acl *);
#ifdef CONFIG_FS_POSIX_ACL
-extern int posix_acl_chmod(struct inode *);
+extern int posix_acl_chmod(struct inode *, umode_t);
+extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **,
+ struct posix_acl **);
static inline struct posix_acl **acl_by_type(struct inode *inode, int type)
{
@@ -174,7 +176,7 @@
inode->i_default_acl = NULL;
}
#else
-static inline int posix_acl_chmod(struct inode *inode)
+static inline int posix_acl_chmod(struct inode *inode, umode_t mode)
{
return 0;
}
@@ -182,6 +184,13 @@
static inline void cache_no_acl(struct inode *inode)
{
}
+
+static inline int posix_acl_create(struct inode *inode, umode_t *mode,
+ struct posix_acl **default_acl, struct posix_acl **acl)
+{
+ *default_acl = *acl = NULL;
+ return 0;
+}
#endif /* CONFIG_FS_POSIX_ACL */
struct posix_acl *get_acl(struct inode *inode, int type);