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| 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/asm-x86_64 | |
| parent | 016b661e2f717168e600f3c85f29e1a49f88e004 (diff) | |
| download | linux-912d35f86781e64d73be1ef358f703c08905ac37.tar.bz2 | |
[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/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/unistd.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h index 98c36eae567c..feb77cb8c044 100644 --- a/include/asm-x86_64/unistd.h +++ b/include/asm-x86_64/unistd.h @@ -615,8 +615,10 @@ __SYSCALL(__NR_splice, sys_splice) __SYSCALL(__NR_tee, sys_tee) #define __NR_sync_file_range 277 __SYSCALL(__NR_sync_file_range, sys_sync_file_range) +#define __NR_vmsplice 278 +__SYSCALL(__NR_vmsplice, sys_vmsplice) -#define __NR_syscall_max __NR_sync_file_range +#define __NR_syscall_max __NR_vmsplice #ifndef __NO_STUBS |