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smb: client: introduce and use smbd_mr_fill_buffer_descriptor()

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This will allow us to make struct smbdirect_mr_io private in future.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Stefan Metzmacher 2025-10-21 20:43:44 +02:00 committed by Steve French
parent 63972da39f
commit 5bd752e774
3 changed files with 10 additions and 6 deletions
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8
fs/smb/client/smb2pdu.c
View File

@ -4554,9 +4554,7 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
req->ReadChannelInfoLength =
cpu_to_le16(sizeof(struct smbdirect_buffer_descriptor_v1));
v1 = (struct smbdirect_buffer_descriptor_v1 *) &req->Buffer[0];
v1->offset = cpu_to_le64(rdata->mr->mr->iova);
v1->token = cpu_to_le32(rdata->mr->mr->rkey);
v1->length = cpu_to_le32(rdata->mr->mr->length);
smbd_mr_fill_buffer_descriptor(rdata->mr, v1);
*total_len += sizeof(*v1) - 1;
}
@ -5155,9 +5153,7 @@ smb2_async_writev(struct cifs_io_subrequest *wdata)
req->WriteChannelInfoLength =
cpu_to_le16(sizeof(struct smbdirect_buffer_descriptor_v1));
v1 = (struct smbdirect_buffer_descriptor_v1 *) &req->Buffer[0];
v1->offset = cpu_to_le64(wdata->mr->mr->iova);
v1->token = cpu_to_le32(wdata->mr->mr->rkey);
v1->length = cpu_to_le32(wdata->mr->mr->length);
smbd_mr_fill_buffer_descriptor(wdata->mr, v1);
rqst.rq_iov[0].iov_len += sizeof(*v1);

6
fs/smb/client/smbdirect.c
View File

@ -1294,6 +1294,12 @@ struct smbdirect_mr_io *smbd_register_mr(struct smbd_connection *info,
return smbdirect_connection_register_mr_io(sc, iter, writing, need_invalidate);
}
void smbd_mr_fill_buffer_descriptor(struct smbdirect_mr_io *mr,
struct smbdirect_buffer_descriptor_v1 *v1)
{
smbdirect_mr_io_fill_buffer_descriptor(mr, v1);
}
/*
* Deregister a MR after I/O is done
* This function may wait if remote invalidation is not used

2
fs/smb/client/smbdirect.h
View File

@ -60,6 +60,8 @@ int smbd_send(struct TCP_Server_Info *server,
struct smbdirect_mr_io *smbd_register_mr(
struct smbd_connection *info, struct iov_iter *iter,
bool writing, bool need_invalidate);
void smbd_mr_fill_buffer_descriptor(struct smbdirect_mr_io *mr,
struct smbdirect_buffer_descriptor_v1 *v1);
void smbd_deregister_mr(struct smbdirect_mr_io *mr);
#else