could you rebase these, patch 1 was merged quite a while ago, and patch 2 etc. doesn't apply cleanly On Fri, Sep 7, 2018 at 9:18 PM Long Li <longli@xxxxxxxxxxxxxxxxx> wrote: > > From: Long Li <longli@xxxxxxxxxxxxx> > > This patch set implements direct I/O. > > In normal code path (even with cache=none), CIFS copies I/O data from > user-space to kernel-space for security reasons of possible protocol > required signing and encryption on user data. > > With this patch set, CIFS passes the I/O data directly from user-space > buffer to the transport layer, when file system is mounted with > "cache-none". > > Patch v2 addressed comments from Christoph Hellwig <hch@xxxxxx> and > Tom Talpey <ttalpey@xxxxxxxxxxxxx> to implement direct I/O for both > socket and RDMA. > > Patch v3 added support for kernel AIO. > > > Long Li (16): > CIFS: Add support for direct pages in rdata > CIFS: Use offset when reading pages > CIFS: Add support for direct pages in wdata > CIFS: pass page offset when issuing SMB write > CIFS: Calculate the correct request length based on page offset and > tail size > CIFS: Introduce helper function to get page offset and length in > smb_rqst > CIFS: When sending data on socket, pass the correct page offset > CIFS: SMBD: Support page offset in RDMA send > CIFS: SMBD: Support page offset in RDMA recv > CIFS: SMBD: Do not call ib_dereg_mr on invalidated memory registration > CIFS: SMBD: Support page offset in memory registration > CIFS: Pass page offset for calculating signature > CIFS: Pass page offset for encrypting > CIFS: Add support for direct I/O read > CIFS: Add support for direct I/O write > CIFS: Add direct I/O functions to file_operations > > fs/cifs/cifsencrypt.c | 9 +- > fs/cifs/cifsfs.c | 10 +- > fs/cifs/cifsfs.h | 2 + > fs/cifs/cifsglob.h | 11 +- > fs/cifs/cifsproto.h | 9 +- > fs/cifs/cifssmb.c | 19 +- > fs/cifs/connect.c | 5 +- > fs/cifs/file.c | 477 ++++++++++++++++++++++++++++++++++++++++++-------- > fs/cifs/misc.c | 17 ++ > fs/cifs/smb2ops.c | 22 ++- > fs/cifs/smb2pdu.c | 20 ++- > fs/cifs/smbdirect.c | 156 ++++++++++------- > fs/cifs/smbdirect.h | 2 +- > fs/cifs/transport.c | 34 ++-- > 14 files changed, 606 insertions(+), 187 deletions(-) > > -- > 2.7.4 > -- Thanks, Steve
