diff options
Diffstat (limited to 'include/linux/memfd.h')
| -rw-r--r-- | include/linux/memfd.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/memfd.h b/include/linux/memfd.h index e7abf6fa4c52..d437e3070850 100644 --- a/include/linux/memfd.h +++ b/include/linux/memfd.h @@ -6,11 +6,30 @@ #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); +unsigned int *memfd_file_seals_ptr(struct file *file); #else static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a) { return -EINVAL; } +static inline struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx) +{ + return ERR_PTR(-EINVAL); +} + +static inline unsigned int *memfd_file_seals_ptr(struct file *file) +{ + return NULL; +} #endif +/* Retrieve memfd seals associated with the file, if any. */ +static inline unsigned int memfd_file_seals(struct file *file) +{ + unsigned int *sealsp = memfd_file_seals_ptr(file); + + return sealsp ? *sealsp : 0; +} + #endif /* __LINUX_MEMFD_H */ |