diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 3 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 3 | ||||
| -rw-r--r-- | include/uapi/asm-generic/unistd.h | 4 |
3 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 3aa514254161..e8a736242b1a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1629,6 +1629,7 @@ struct file_operations { #ifndef CONFIG_MMU unsigned (*mmap_capabilities)(struct file *); #endif + ssize_t (*copy_file_range)(struct file *, loff_t, struct file *, loff_t, size_t, unsigned int); }; struct inode_operations { @@ -1680,6 +1681,8 @@ extern ssize_t vfs_readv(struct file *, const struct iovec __user *, unsigned long, loff_t *); extern ssize_t vfs_writev(struct file *, const struct iovec __user *, unsigned long, loff_t *); +extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, + loff_t, size_t, unsigned int); struct super_operations { struct inode *(*alloc_inode)(struct super_block *sb); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index c2b66a277e98..185815c96433 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -886,6 +886,9 @@ asmlinkage long sys_execveat(int dfd, const char __user *filename, const char __user *const __user *envp, int flags); asmlinkage long sys_membarrier(int cmd, int flags); +asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in, + int fd_out, loff_t __user *off_out, + size_t len, unsigned int flags); asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags); diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 1324b0292ec2..2622b33fb2ec 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -715,9 +715,11 @@ __SYSCALL(__NR_userfaultfd, sys_userfaultfd) __SYSCALL(__NR_membarrier, sys_membarrier) #define __NR_mlock2 284 __SYSCALL(__NR_mlock2, sys_mlock2) +#define __NR_copy_file_range 285 +__SYSCALL(__NR_copy_file_range, sys_copy_file_range) #undef __NR_syscalls -#define __NR_syscalls 285 +#define __NR_syscalls 286 /* * All syscalls below here should go away really, |