Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-23 Thread Steve French
y >> ; Matthew Wilcox >> Subject: Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA >> read for SMB write >> >> On Wed, Aug 23, 2017 at 06:09:11PM +, Long Li wrote: >> > >> > >> > > -Original Message- >> >

Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-23 Thread Leon Romanovsky
samba- > > techni...@lists.samba.org; linux-kernel@vger.kernel.org; linux- > > r...@vger.kernel.org; Christoph Hellwig ; Tom Talpey > > ; Matthew Wilcox > > Subject: Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA > > read for SMB wri

RE: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-23 Thread Long Li
kernel.org; Christoph Hellwig ; Tom Talpey > ; Matthew Wilcox > Subject: Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA > read for SMB write > > On Wed, Aug 23, 2017 at 06:09:11PM +, Long Li wrote: > > > > > > > -Original Message- > &

Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-23 Thread Leon Romanovsky
samba- > > techni...@lists.samba.org; linux-kernel@vger.kernel.org; linux- > > r...@vger.kernel.org; Christoph Hellwig ; Tom Talpey > > ; Matthew Wilcox ; > > Long Li > > Subject: Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA > > read for SMB write >

RE: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-23 Thread Long Li
kernel.org; Christoph Hellwig ; Tom Talpey > ; Matthew Wilcox ; > Long Li > Subject: Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA > read for SMB write > > On Sun, Aug 20, 2017 at 12:04:37PM -0700, Long Li wrote: > > From: Long Li > > > > When sendin

Re: [Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-23 Thread Leon Romanovsky
On Sun, Aug 20, 2017 at 12:04:37PM -0700, Long Li wrote: > From: Long Li > > When sending I/O, if size is larger than rdma_readwrite_threshold we prepare > to send SMB WRITE packet for a RDMA read via memory registration. The actual > I/O is done out-of-the-band, so modify the relevant fields in

[Patch v2 13/19] CIFS: SMBD: Use registered memory RDMA read for SMB write

2017-08-20 Thread Long Li
From: Long Li When sending I/O, if size is larger than rdma_readwrite_threshold we prepare to send SMB WRITE packet for a RDMA read via memory registration. The actual I/O is done out-of-the-band, so modify the relevant fields in the packet accordingly. Signed-off-by: Long Li --- fs/cifs/sm