Messages in this thread Patch in this message | | | From | Richard Weinberger <> | Subject | [PATCH] pipe_to_sendpage: Ensure that MSG_MORE is set if we set MSG_SENDPAGE_NOTLAST | Date | Mon, 25 Nov 2013 00:42:07 +0100 |
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Commit 35f9c09fe (tcp: tcp_sendpages() should call tcp_push() once) added an internal flag MSG_SENDPAGE_NOTLAST. We have to ensure that MSG_MORE is also set if we set MSG_SENDPAGE_NOTLAST. Otherwise users that check against MSG_MORE will not see it.
This fixes sendfile() on AF_ALG.
Cc: Tom Herbert <therbert@google.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: <stable@vger.kernel.org> # 3.4.x Reported-and-tested-by: Shawn Landden <shawnlandden@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> --- fs/splice.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/splice.c b/fs/splice.c index 3b7ee65..b93f1b8 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -701,7 +701,7 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe, more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0; if (sd->len < sd->total_len && pipe->nrbufs > 1) - more |= MSG_SENDPAGE_NOTLAST; + more |= MSG_SENDPAGE_NOTLAST | MSG_MORE; return file->f_op->sendpage(file, buf->page, buf->offset, sd->len, &pos, more); -- 1.8.1.4
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