diff options
| author | Jens Axboe <axboe@suse.de> | 2006-04-26 10:59:21 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@suse.de> | 2006-04-26 10:59:21 +0200 |
| commit | 912d35f86781e64d73be1ef358f703c08905ac37 (patch) | |
| tree | 5863ad70f5cdccba0c1cd28f83d173deaf71fb83 /include/linux | |
| parent | 016b661e2f717168e600f3c85f29e1a49f88e004 (diff) | |
| download | blackbird-op-linux-912d35f86781e64d73be1ef358f703c08905ac37.tar.gz blackbird-op-linux-912d35f86781e64d73be1ef358f703c08905ac37.zip | |
[PATCH] Add support for the sys_vmsplice syscall
sys_splice() moves data to/from pipes with a file input/output. sys_vmsplice()
moves data to a pipe, with the input being a user address range instead.
This uses an approach suggested by Linus, where we can hold partial ranges
inside the pages[] map. Hopefully this will be useful for network
receive support as well.
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/syscalls.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index d3ebc0e68b2b..3996960fc565 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -574,6 +574,9 @@ asmlinkage long sys_splice(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_vmsplice(int fd, const struct iovec __user *iov, + unsigned long nr_segs, unsigned int flags); + asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, |
