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    Subject[Patch v2 11/19] CIFS: SMBD: Define memory registration for I/O data
    Date
    From: Long Li <longli@microsoft.com>

    To prepare for RDMA read/write using memory registration, add memory registartion pointers to upper layer data I/O context.

    Signed-off-by: Long Li <longli@microsoft.com>
    ---
    fs/cifs/cifsglob.h | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
    index dc5404d..dcd2b63 100644
    --- a/fs/cifs/cifsglob.h
    +++ b/fs/cifs/cifsglob.h
    @@ -1166,6 +1166,7 @@ struct cifs_readdata {
    struct cifs_readdata *rdata,
    struct iov_iter *iter);
    struct kvec iov[2];
    + struct smbd_mr *mr;
    unsigned int pagesz;
    unsigned int tailsz;
    unsigned int credits;
    @@ -1188,6 +1189,7 @@ struct cifs_writedata {
    pid_t pid;
    unsigned int bytes;
    int result;
    + struct smbd_mr *mr;
    unsigned int pagesz;
    unsigned int tailsz;
    unsigned int credits;
    --
    2.7.4
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