Messages in this thread | | | From | Long Li <> | Subject | RE: [Patch v5 08/21] CIFS: SMBD: Upper layer reconnects to SMB Direct session | Date | Sun, 5 Nov 2017 18:37:09 +0000 |
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> -----Original Message----- > From: Matthew Wilcox > Sent: Wednesday, November 1, 2017 12:45 PM > To: Pavel Shilovsky <piastryyy@gmail.com>; Long Li <longli@microsoft.com> > Cc: Steve French <sfrench@samba.org>; linux-cifs <linux- > cifs@vger.kernel.org>; samba-technical <samba-technical@lists.samba.org>; > Kernel Mailing List <linux-kernel@vger.kernel.org>; linux- > rdma@vger.kernel.org; Tom Talpey <ttalpey@microsoft.com>; Stephen > Hemminger <sthemmin@microsoft.com>; Long Li <longli@microsoft.com> > Subject: RE: [Patch v5 08/21] CIFS: SMBD: Upper layer reconnects to SMB > Direct session > > From: Pavel Shilovsky [mailto:piastryyy@gmail.com] > > 2017-10-18 16:09 GMT-07:00 Long Li <longli@exchange.microsoft.com>: > > > From: Long Li <longli@microsoft.com> > > > > > > Do a reconnect on SMB Direct when it is used as the connection. > > > Reconnect > > can > > > happen for many reasons and it's mostly the decision of SMB2 upper > layer. > > > > > > Signed-off-by: Long Li <longli@microsoft.com> > > > --- > > > fs/cifs/connect.c | 7 +++++++ > > > 1 file changed, 7 insertions(+) > > > > > > diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index > > > 2c0b34a..8ca3c13 100644 > > > --- a/fs/cifs/connect.c > > > +++ b/fs/cifs/connect.c > > > @@ -406,7 +406,14 @@ cifs_reconnect(struct TCP_Server_Info *server) > > > > > > /* we should try only the port we connected to before */ > > > mutex_lock(&server->srv_mutex); > > > +#ifdef CONFIG_CIFS_SMB_DIRECT > > > + if (server->rdma) > > > + rc = smbd_reconnect(server); > > > + else > > > + rc = generic_ip_connect(server); > > > > Minor: here and in other similar places we can remove #else part below > > and put #endif before else block above. > > > > > +#else > > > rc = generic_ip_connect(server); > > > +#endif > > I'd suggest rather: > > #ifdef CONFIG_CIFS_SMB_DIRECT > #define cifs_rdma_enabled(server) ((server)->rdma) > #else > #define cifs_rdma_enabled(server) 0 > #endif > > Then we don't need an ifdef in the users, just: > > if (cifs_rdma_enabled(server)) > rc = smbd_reconnect(server); > else > rc = generic_ip_connect(server);
I will fix this. Thank you.
Long
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