Merge branch 'tee' of git://brick.kernel.dk/data/git/linux-2.6-block

* 'tee' of git://brick.kernel.dk/data/git/linux-2.6-block:
  [PATCH] splice: add support for sys_tee()
  [PATCH] splice: pass offset around for ->splice_read() and ->splice_write()

7 files changed, 18 insertions, 10 deletions

diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index 6a8dd83c350f..d81d6cfc1bb4 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -320,8 +320,9 @@
 #define __NR_get_robust_list    312
 #define __NR_splice             313
 #define __NR_sync_file_range    314
+#define __NR_tee                315
 
-#define NR_syscalls 315
+#define NR_syscalls 316
 
 /*
  * 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 1c749acca021..a40ebec6aeeb 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -289,12 +289,13 @@
 #define __NR_set_robust_list            1298
 #define __NR_get_robust_list            1299
 #define __NR_sync_file_range            1300
+#define __NR_tee                        1301
 
 #ifdef __KERNEL__
 
 #include <linux/config.h>
 
-#define NR_syscalls                     277 /* length of syscall table */
+#define NR_syscalls                     278 /* 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 536ba0873052..c612f1a62772 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -302,8 +302,9 @@
 #define __NR_ppoll              281
 #define __NR_unshare            282
 #define __NR_splice             283
+#define __NR_tee                284
 
-#define __NR_syscalls           284
+#define __NR_syscalls           285
 
 #ifdef __KERNEL__
 #define __NR__exit __NR_exit
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index f21ff2c1e960..d86494e23b63 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -611,8 +611,10 @@ __SYSCALL(__NR_set_robust_list, sys_set_robust_list)
 __SYSCALL(__NR_get_robust_list, sys_get_robust_list)
 #define __NR_splice             275
 __SYSCALL(__NR_splice, sys_splice)
+#define __NR_tee                276
+__SYSCALL(__NR_tee, sys_tee)
 
-#define __NR_syscall_max __NR_splice
+#define __NR_syscall_max __NR_tee
 
 #ifndef __NO_STUBS
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 162c6e57307a..3de2bfb2410f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1039,8 +1039,8 @@ struct file_operations {
         int (*check_flags)(int);
         int (*dir_notify)(struct file *filp, unsigned long arg);
         int (*flock) (struct file *, int, struct file_lock *);
-        ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, size_t, unsigned int);
-        ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned int);
+        ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
+        ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
 };
 
 struct inode_operations {
@@ -1613,13 +1613,13 @@ extern void do_generic_mapping_read(struct address_space *mapping,
                                     loff_t *, read_descriptor_t *, read_actor_t);
 
 /* fs/splice.c */
-extern ssize_t generic_file_splice_read(struct file *,
+extern ssize_t generic_file_splice_read(struct file *, loff_t *,
                 struct pipe_inode_info *, size_t, unsigned int);
 extern ssize_t generic_file_splice_write(struct pipe_inode_info *,
-                struct file *, size_t, unsigned int);
+                struct file *, loff_t *, size_t, unsigned int);
 extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe,
-                struct file *out, size_t len, unsigned int flags);
-extern long do_splice_direct(struct file *in, struct file *out,
+                struct file *out, loff_t *, size_t len, unsigned int flags);
+extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
                 size_t len, unsigned int flags);
 
 extern void
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 123a7c24bc72..ef7f33c0be19 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -21,6 +21,7 @@ struct pipe_buf_operations {
         void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *);
         void (*release)(struct pipe_inode_info *, struct pipe_buffer *);
         int (*steal)(struct pipe_inode_info *, struct pipe_buffer *);
+        void (*get)(struct pipe_inode_info *, struct pipe_buffer *);
 };
 
 struct pipe_inode_info {
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index f001bad28d9a..d3ebc0e68b2b 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -574,6 +574,8 @@ 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_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,
                                         unsigned int flags);