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author | Jens Axboe <jens.axboe@oracle.com> | 2007-06-14 15:08:55 +0400 |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2007-07-10 10:04:12 +0400 |
commit | 6a14b90bb6bc7cd83e2a444bf457a2ea645cbfe7 (patch) | |
tree | c6f2788cbafd29bdf520c0b2a232818f4d62ec9d /include | |
parent | c66ab6fa705e1b2887a6d9246b798bdc526839e2 (diff) | |
download | linux-6a14b90bb6bc7cd83e2a444bf457a2ea645cbfe7.tar.xz |
vmsplice: add vmsplice-to-user support
A bit of a cheat, it actually just copies the data to userspace. But
this makes the interface nice and symmetric and enables people to build
on splice, with room for future improvement in performance.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/pipe_fs_i.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 883ba9b78d3f..6e7bfc125425 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -88,7 +88,13 @@ int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); struct splice_desc { unsigned int len, total_len; /* current and remaining length */ unsigned int flags; /* splice flags */ - struct file *file; /* file to read/write */ + /* + * actor() private data + */ + union { + void __user *userptr; /* memory to write to */ + struct file *file; /* file to read/write */ + } u; loff_t pos; /* file position */ }; |