This patch uses SPLICE_F_PACKET as a flag, representing packetized pipe.
In splice_to_pipe() this flag is converted into PIPE_BUF_FLAG_PACKET on pipe
buffer.
Signed-off-by: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
---
fs/splice.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/fs/splice.c b/fs/splice.c
index 4cf700d..d698fb2 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -210,6 +210,8 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
buf->ops = spd->ops;
if (spd->flags & SPLICE_F_GIFT)
buf->flags |= PIPE_BUF_FLAG_GIFT;
+ if (spd->flags & SPLICE_F_PACKET)
+ buf->flags |= PIPE_BUF_FLAG_PACKET;
pipe->nrbufs++;
page_nr++;
@@ -1420,6 +1422,9 @@ static long do_splice(struct file *in, loff_t __user
*off_in,
offset = in->f_pos;
}
+ if (is_packetized(out))
+ flags |= SPLICE_F_PACKET;
+
ret = do_splice_to(in, &offset, opipe, len, flags);
if (!off_in)
@@ -1609,6 +1614,9 @@ static long vmsplice_to_pipe(struct file *file, const
struct iovec __user *iov,
if (splice_grow_spd(pipe, &spd))
return -ENOMEM;
+ if (is_packetized(file))
+ spd.flags |= SPLICE_F_PACKET;
+
spd.nr_pages = get_iovec_page_array(iov, nr_segs, spd.pages,
spd.partial, false,
spd.nr_pages_max);
--
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