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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-26 16:47:55 +0200 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-26 16:47:55 +0200 |
commit | 7b97ebfb931887be63bfa29b6c143e9e9da3f5e8 (patch) | |
tree | faaf77f68ef4192ac1a3c23f43fed122a080d341 /include | |
parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
parent | [PATCH] splice: add ->splice_write support for /dev/null (diff) | |
download | linux-7b97ebfb931887be63bfa29b6c143e9e9da3f5e8.tar.xz linux-7b97ebfb931887be63bfa29b6c143e9e9da3f5e8.zip |
Merge branch 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block
* 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] splice: add ->splice_write support for /dev/null
[PATCH] splice: rearrange moving to/from pipe helpers
[PATCH] Add support for the sys_vmsplice syscall
[PATCH] splice: fix offset problems
[PATCH] splice: fix min() warning
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-i386/unistd.h | 3 | ||||
-rw-r--r-- | include/asm-ia64/unistd.h | 3 | ||||
-rw-r--r-- | include/asm-powerpc/unistd.h | 3 | ||||
-rw-r--r-- | include/asm-x86_64/unistd.h | 4 | ||||
-rw-r--r-- | include/linux/pipe_fs_i.h | 17 | ||||
-rw-r--r-- | include/linux/syscalls.h | 3 |
6 files changed, 29 insertions, 4 deletions
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h index d81d6cfc1bb4..eb4b152c82fc 100644 --- a/include/asm-i386/unistd.h +++ b/include/asm-i386/unistd.h @@ -321,8 +321,9 @@ #define __NR_splice 313 #define __NR_sync_file_range 314 #define __NR_tee 315 +#define __NR_vmsplice 316 -#define NR_syscalls 316 +#define NR_syscalls 317 /* * user-visible error numbers are in the range -1 - -128: see diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h index a40ebec6aeeb..7107763168bf 100644 --- a/include/asm-ia64/unistd.h +++ b/include/asm-ia64/unistd.h @@ -290,12 +290,13 @@ #define __NR_get_robust_list 1299 #define __NR_sync_file_range 1300 #define __NR_tee 1301 +#define __NR_vmsplice 1302 #ifdef __KERNEL__ #include <linux/config.h> -#define NR_syscalls 278 /* length of syscall table */ +#define NR_syscalls 279 /* length of syscall table */ #define __ARCH_WANT_SYS_RT_SIGACTION diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h index c612f1a62772..34325e292596 100644 --- a/include/asm-powerpc/unistd.h +++ b/include/asm-powerpc/unistd.h @@ -303,8 +303,9 @@ #define __NR_unshare 282 #define __NR_splice 283 #define __NR_tee 284 +#define __NR_vmsplice 285 -#define __NR_syscalls 285 +#define __NR_syscalls 286 #ifdef __KERNEL__ #define __NR__exit __NR_exit 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 diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index ef7f33c0be19..0008d4bd4059 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -61,4 +61,21 @@ void __free_pipe_info(struct pipe_inode_info *); /* from/to, of course */ #define SPLICE_F_MORE (0x04) /* expect more data */ +/* + * Passed to the actors + */ +struct splice_desc { + unsigned int len, total_len; /* current and remaining length */ + unsigned int flags; /* splice flags */ + struct file *file; /* file to read/write */ + loff_t pos; /* file position */ +}; + +typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *, + struct splice_desc *); + +extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *, + loff_t *, size_t, unsigned int, + splice_actor *); + #endif 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, |