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cifs: make smb_send_rqst take an array of requests

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Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
This commit is contained in:
Ronnie Sahlberg 2018-08-01 09:26:12 +10:00 committed by Steve French
parent b2c96de7fe
commit 1f3a8f5f7a
1 changed files with 13 additions and 8 deletions
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21
fs/cifs/transport.c
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@ -374,10 +374,11 @@ smbd_done:
return rc;
}
#define MAX_COMPOUND 2
#define MAX_COMPOUND 5
static int
smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst, int flags)
smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
struct smb_rqst *rqst, int flags)
{
struct kvec iov;
struct smb2_transform_hdr tr_hdr;
@ -385,7 +386,10 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst, int flags)
int rc;
if (!(flags & CIFS_TRANSFORM_REQ))
return __smb_send_rqst(server, 1, rqst);
return __smb_send_rqst(server, num_rqst, rqst);
if (num_rqst > MAX_COMPOUND - 1)
return -ENOMEM;
memset(&cur_rqst[0], 0, sizeof(cur_rqst));
memset(&iov, 0, sizeof(iov));
@ -402,12 +406,13 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst, int flags)
return -EIO;
}
rc = server->ops->init_transform_rq(server, 2, &cur_rqst[0], rqst);
rc = server->ops->init_transform_rq(server, num_rqst + 1,
&cur_rqst[0], rqst);
if (rc)
return rc;
rc = __smb_send_rqst(server, 2, &cur_rqst[0]);
smb3_free_compound_rqst(1, &cur_rqst[1]);
rc = __smb_send_rqst(server, num_rqst + 1, &cur_rqst[0]);
smb3_free_compound_rqst(num_rqst, &cur_rqst[1]);
return rc;
}
@ -621,7 +626,7 @@ cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst,
*/
cifs_save_when_sent(mid);
cifs_in_send_inc(server);
rc = smb_send_rqst(server, rqst, flags);
rc = smb_send_rqst(server, 1, rqst, flags);
cifs_in_send_dec(server);
if (rc < 0) {
@ -811,7 +816,7 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
midQ->mid_state = MID_REQUEST_SUBMITTED;
cifs_in_send_inc(ses->server);
rc = smb_send_rqst(ses->server, rqst, flags);
rc = smb_send_rqst(ses->server, 1, rqst, flags);
cifs_in_send_dec(ses->server);
cifs_save_when_sent(midQ);