Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1722911
| From | Long Li <longli@microsoft.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | RE: [Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session |
| Date | 2017-08-30 01:40 +0200 |
| Message-ID | <ujYgV-Do-5@gated-at.bofh.it> (permalink) |
| References | <ujUwF-6Me-9@gated-at.bofh.it> <ujUwI-6Me-55@gated-at.bofh.it> <ujY7f-Aj-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> -----Original Message-----
> From: Pavel Shilovsky [mailto:piastryyy@gmail.com]
> Sent: Tuesday, August 29, 2017 4:15 PM
> To: 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; Christoph Hellwig <hch@infradead.org>; Tom Talpey
> <ttalpey@microsoft.com>; Matthew Wilcox <mawilcox@microsoft.com>;
> Long Li <longli@microsoft.com>
> Subject: Re: [Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session
>
> 2017-08-29 12:29 GMT-07:00 Long Li <longli@exchange.microsoft.com>:
> > From: Long Li <longli@microsoft.com>
> >
> > Do a reconnect on SMBDirect when it is used as the connection.
> > Reconnect can happen for many reasons and it's mostly the decision of
> > upper layer SMB2 not SMBDirect.
> >
> > Signed-off-by: Long Li <longli@microsoft.com>
> > ---
> > fs/cifs/connect.c | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index
> > 43b4d54..341a3fd 100644
> > --- a/fs/cifs/connect.c
> > +++ b/fs/cifs/connect.c
> > @@ -409,7 +409,11 @@ cifs_reconnect(struct TCP_Server_Info *server)
> >
> > /* we should try only the port we connected to before */
> > mutex_lock(&server->srv_mutex);
> > - rc = generic_ip_connect(server);
> > + if (server->rdma)
> > + rc = smbd_reconnect(server);
> > + else
> > + rc = generic_ip_connect(server);
> > +
> > if (rc) {
> > cifs_dbg(FYI, "reconnect error %d\n", rc);
> > mutex_unlock(&server->srv_mutex);
> > --
> > 2.7.4
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-cifs"
> > in the body of a message to majordomo@vger.kernel.org More
> majordomo
> > info at
> >
> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fvger.k
> > ernel.org%2Fmajordomo-
> info.html&data=02%7C01%7Clongli%40microsoft.com%
> >
> 7C192678645752449a875b08d4ef33d874%7C72f988bf86f141af91ab2d7cd011d
> b47%
> >
> 7C1%7C0%7C636396453334398562&sdata=i5dZUoUU91foFGipTsgQBnmYJeU
> aeWww2QI
> > xoP9BSO4%3D&reserved=0
>
> It is a easier to follow the logic if the definition is introduced together with
> using of this function in the existing code. I suggest to add smbd_reconnect()
> definition in this patch.
I will do this in v4.
> --
> Best regards,
> Pavel Shilovsky
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[Patch v3 00/19] CIFS: Implement SMB Direct Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 07/19] CIFS: SMBD: Destroy SMBDirect session on shutdown or umount Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 04/19] CIFS: SMBD: Add SMBDirect transport to SMB connection and Makefile Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 04/19] CIFS: SMBD: Add SMBDirect transport to SMB connection and Makefile Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 01:20 +0200
RE: [Patch v3 04/19] CIFS: SMBD: Add SMBDirect transport to SMB connection and Makefile Long Li <longli@microsoft.com> - 2017-08-30 01:20 +0200
[Patch v3 09/19] CIFS: SMBD: Receive data from SMBDirect Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 01/19] CIFS: Add rdma mount option Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 01/19] CIFS: Add rdma mount option Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 00:40 +0200
RE: [Patch v3 01/19] CIFS: Add rdma mount option Long Li <longli@microsoft.com> - 2017-08-30 01:00 +0200
[Patch v3 11/19] CIFS: SMBD: Define memory registration for I/O data Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 11/19] CIFS: SMBD: Define memory registration for I/O data Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 02:50 +0200
RE: [Patch v3 11/19] CIFS: SMBD: Define memory registration for I/O data Long Li <longli@microsoft.com> - 2017-08-30 04:20 +0200
[Patch v3 12/19] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 12/19] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 03:00 +0200
RE: [Patch v3 12/19] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Long Li <longli@microsoft.com> - 2017-08-30 04:20 +0200
[Patch v3 10/19] CIFS: SMBD: Send data through SMBDirect Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 19/19] CIFS: SMBD: Add SMBDirect debug counters Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 17/19] CIFS: SMBD: Implement SMB read via RDMA write through memory registration Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 14/19] CIFS: SMBD: Deregister memory on finishing SMB write Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 08/19] CIFS: SMBD: Set SMBDirect maximum read or write size for I/O Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 18/19] CIFS: SMBD: Deregister memory when finishing SMB read Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 01:30 +0200
RE: [Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session Long Li <longli@microsoft.com> - 2017-08-30 01:40 +0200
[Patch v3 15/19] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 13/19] CIFS: SMBD: Implement SMB write via RDMA read through memory registration Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 00:50 +0200
RE: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Long Li <longli@microsoft.com> - 2017-08-30 01:10 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 20:20 +0200
RE: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Long Li <longli@microsoft.com> - 2017-08-30 20:30 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 20:40 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Steve French <smfrench@gmail.com> - 2017-09-01 17:50 +0200
RE: [Patch v3 00/19] CIFS: Implement SMB Direct Long Li <longli@microsoft.com> - 2017-08-30 20:50 +0200
csiph-web