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authorJens Axboe <axboe@suse.de>2006-04-26 04:59:21 -0400
committerJens Axboe <axboe@suse.de>2006-04-26 04:59:21 -0400
commit912d35f86781e64d73be1ef358f703c08905ac37 (patch)
tree5863ad70f5cdccba0c1cd28f83d173deaf71fb83 /include/linux/syscalls.h
parent016b661e2f717168e600f3c85f29e1a49f88e004 (diff)
[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/syscalls.h')
-rw-r--r--include/linux/syscalls.h3
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,
574 int fd_out, loff_t __user *off_out, 574 int fd_out, loff_t __user *off_out,
575 size_t len, unsigned int flags); 575 size_t len, unsigned int flags);
576 576
577asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
578 unsigned long nr_segs, unsigned int flags);
579
577asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); 580asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
578 581
579asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 582asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,