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| author |   Florian Westphal <fw@strlen.de> | 2020-05-16 10:46:21 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-05-17 12:35:34 -0700 |
| commit | 17091708d1e503383f20934631305ccb375b0eb1 (patch) | |
| tree | a5c79670b8f145d1dd6074de1df7dd512fbb1d05 /net/socket.c | |
| parent | mptcp: fill skb extension cache outside of mptcp_sendmsg_frag (diff) | |
| download | wireguard-linux-17091708d1e503383f20934631305ccb375b0eb1.tar.xz wireguard-linux-17091708d1e503383f20934631305ccb375b0eb1.zip | |
mptcp: fill skb page frag cache outside of mptcp_sendmsg_frag
The mptcp_sendmsg_frag helper contains a loop that will wait on the
subflow sk.
It seems preferrable to only wait in mptcp_sendmsg() when blocking io is
requested. mptcp_sendmsg already has such a wait loop that is used when
no subflow socket is available for transmission.
This is another preparation patch that makes sure we call
mptcp_sendmsg_frag only if the page frag cache has been refilled.
Followup patch will remove the wait loop from mptcp_sendmsg_frag().
The retransmit worker doesn't need to do this refill as it won't
transmit new mptcp-level data.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/socket.c')
0 files changed, 0 insertions, 0 deletions