Hi Li,
thanks for providing this patchset, I guess it will be a huge win to
have SMBDirect support for the kernel client!
> Define a new structure for SMBD transport. This stucture will have all the
> information on the transport, and it will be stored in the current SMB session.
...
> +/*
> + * The context for the SMBDirect transport
> + * Everything related to the transport is here. It has several
logical parts
> + * 1. RDMA related structures
> + * 2. SMBDirect connection parameters
> + * 3. Reassembly queue for data receive path
> + * 4. mempools for allocating packets
> + */
> +struct cifs_rdma_info {
> + struct TCP_Server_Info *server_info;
> +
> + // for debug purposes
> + unsigned int count_receive_buffer;
> + unsigned int count_get_receive_buffer;
> + unsigned int count_put_receive_buffer;
> + unsigned int count_send_empty;
> +};
> +#endif
>
It seems that the new transport is tied to it's caller
regarding structures and naming conventions.
I think it would be better to strictly separate them,
as I'd like to use the SMBDirect transport also from the
userspace for the client side e.g. in Samba's '[lib]smbclient',
but also in Samba's server side code 'smbd'.
Would it be possible to isolate this in
smb_direct.c and smb_direct.h while using
smb_direct_* prefixes for structures and
functions? Also avoiding the usage of other headers
from fs/cifs/*.h, expect for something generic like
nterr.h.
I guess 'struct cifs_rdma_info' would then be
'struct smb_direct_connection'. And it won't
have a reference to struct TCP_Server_Info.
It the strict layering is too much change,
I'd at least like to have the name changes.
This should relatively easy to do by using somthing like
git format-patch --stdout -37 > before
cat before | sed \
-e 's!struct cifs_rdma_info!struct smb_direct_connection!g' \
-e 's!cifsrdma\.h!smb_direct.h!g' \
-e 's!cifsrdma\.c!smb_direct.c!g' \
> after
git reset --hard HEAD~37
git am after
metze
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