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()

3 files changed, 9 insertions, 6 deletions

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);