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Diffstat (limited to 'include/linux/memfd.h')
-rw-r--r--include/linux/memfd.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/memfd.h b/include/linux/memfd.h
index 246daadbfde8..b4fda09dab9f 100644
--- a/include/linux/memfd.h
+++ b/include/linux/memfd.h
@@ -4,6 +4,8 @@
#include <linux/file.h>
+#define MEMFD_ANON_NAME "[memfd]"
+
#ifdef CONFIG_MEMFD_CREATE
extern long memfd_fcntl(struct file *file, unsigned int cmd, unsigned int arg);
struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
@@ -14,7 +16,10 @@ struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
* We also update VMA flags if appropriate by manipulating the VMA flags pointed
* to by vm_flags_ptr.
*/
-int memfd_check_seals_mmap(struct file *file, unsigned long *vm_flags_ptr);
+int memfd_check_seals_mmap(struct file *file, vm_flags_t *vm_flags_ptr);
+struct file *memfd_alloc_file(const char *name, unsigned int flags);
+int memfd_get_seals(struct file *file);
+int memfd_add_seals(struct file *file, unsigned int seals);
#else
static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a)
{
@@ -25,10 +30,25 @@ static inline struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx)
return ERR_PTR(-EINVAL);
}
static inline int memfd_check_seals_mmap(struct file *file,
- unsigned long *vm_flags_ptr)
+ vm_flags_t *vm_flags_ptr)
{
return 0;
}
+
+static inline struct file *memfd_alloc_file(const char *name, unsigned int flags)
+{
+ return ERR_PTR(-EINVAL);
+}
+
+static inline int memfd_get_seals(struct file *file)
+{
+ return -EINVAL;
+}
+
+static inline int memfd_add_seals(struct file *file, unsigned int seals)
+{
+ return -EINVAL;
+}
#endif
#endif /* __LINUX_MEMFD_H */