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authorJens Axboe <axboe@suse.de>2006-04-11 13:52:07 +0200
committerJens Axboe <axboe@suse.de>2006-04-11 13:52:07 +0200
commitb92ce55893745e011edae70830b8bc863be881f9 (patch)
treee2afd62d2e63d74157905140f5907d07bdfe31b9 /include/linux/pipe_fs_i.h
parent529565dcb1581c9a1e3f6df1c1763ca3e0f0d512 (diff)
downloadop-kernel-dev-b92ce55893745e011edae70830b8bc863be881f9.zip
op-kernel-dev-b92ce55893745e011edae70830b8bc863be881f9.tar.gz
[PATCH] splice: add direct fd <-> fd splicing support
It's more efficient for sendfile() emulation. Basically we cache an internal private pipe and just use that as the intermediate area for pages. Direct splicing is not available from sys_splice(), it is only meant to be used for sendfile() emulation. Additional patch from Ingo Molnar to avoid the PIPE_BUFFERS loop at exit for the normal fast path. Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'include/linux/pipe_fs_i.h')
-rw-r--r--include/linux/pipe_fs_i.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 9cf99cb..660e9d8 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -58,6 +58,7 @@ void pipe_wait(struct pipe_inode_info *pipe);
struct pipe_inode_info * alloc_pipe_info(struct inode * inode);
void free_pipe_info(struct inode * inode);
+void __free_pipe_info(struct pipe_inode_info *);
/*
* splice is tied to pipes as a transport (at least for now), so we'll just
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