For now, none of the callers populate rq_pages. That will be done for
writes in a later patch. While we're at it, change the prototype of
setup_async_request not to need a return pointer argument. Just
return the pointer to the mid_q_entry or an ERR_PTR.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/cifs/cifsglob.h | 4 ++--
fs/cifs/cifsproto.h | 12 ++++++------
fs/cifs/cifssmb.c | 20 +++++++++++++-------
fs/cifs/smb2proto.h | 4 +---
fs/cifs/smb2transport.c | 14 ++++++--------
fs/cifs/transport.c | 30 ++++++++++++++----------------
6 files changed, 42 insertions(+), 42 deletions(-)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 2a7e4b8..a0bb713 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -194,8 +194,8 @@ struct smb_version_operations {
int (*setup_request)(struct cifs_ses *, struct kvec *, unsigned int,
struct mid_q_entry **);
/* setup async request: allocate mid, sign message */
- int (*setup_async_request)(struct TCP_Server_Info *, struct kvec *,
- unsigned int, struct mid_q_entry **);
+ struct mid_q_entry *(*setup_async_request)(struct TCP_Server_Info *,
+ struct smb_rqst *);
/* check response: verify signature, map error */
int (*check_receive)(struct mid_q_entry *, struct TCP_Server_Info *,
bool);
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 3620bec..8075f23 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -69,10 +69,10 @@ extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
struct TCP_Server_Info *server);
extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
extern void cifs_wake_up_task(struct mid_q_entry *mid);
-extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
- unsigned int nvec, mid_receive_t *receive,
- mid_callback_t *callback, void *cbdata,
- const int flags);
+extern int cifs_call_async(struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ mid_receive_t *receive, mid_callback_t *callback,
+ void *cbdata, const int flags);
extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
struct smb_hdr * /* input */ ,
struct smb_hdr * /* out */ ,
@@ -81,8 +81,8 @@ extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
char *in_buf, int flags);
extern int cifs_setup_request(struct cifs_ses *, struct kvec *, unsigned int,
struct mid_q_entry **);
-extern int cifs_setup_async_request(struct TCP_Server_Info *, struct kvec *,
- unsigned int, struct mid_q_entry **);
+extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
+ struct smb_rqst *);
extern int cifs_check_receive(struct mid_q_entry *mid,
struct TCP_Server_Info *server, bool log_error);
extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index ce5f75c..7365460 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -751,6 +751,8 @@ CIFSSMBEcho(struct TCP_Server_Info *server)
ECHO_REQ *smb;
int rc = 0;
struct kvec iov;
+ struct smb_rqst rqst = { .rq_iov = &iov,
+ .rq_nvec = 1 };
cFYI(1, "In echo request");
@@ -768,7 +770,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server)
iov.iov_base = smb;
iov.iov_len = be32_to_cpu(smb->hdr.smb_buf_length) + 4;
- rc = cifs_call_async(server, &iov, 1, NULL, cifs_echo_callback,
+ rc = cifs_call_async(server, &rqst, NULL, cifs_echo_callback,
server, CIFS_ASYNC_OP | CIFS_ECHO_OP);
if (rc)
cFYI(1, "Echo request failed: %d", rc);
@@ -1604,6 +1606,8 @@ cifs_async_readv(struct cifs_readdata *rdata)
READ_REQ *smb = NULL;
int wct;
struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink);
+ struct smb_rqst rqst = { .rq_iov = rdata->iov,
+ .rq_nvec = 1 };
cFYI(1, "%s: offset=%llu bytes=%u", __func__,
rdata->offset, rdata->bytes);
@@ -1647,9 +1651,8 @@ cifs_async_readv(struct cifs_readdata *rdata)
rdata->iov[0].iov_len = be32_to_cpu(smb->hdr.smb_buf_length) + 4;
kref_get(&rdata->refcount);
- rc = cifs_call_async(tcon->ses->server, rdata->iov, 1,
- cifs_readv_receive, cifs_readv_callback,
- rdata, 0);
+ rc = cifs_call_async(tcon->ses->server, &rqst, cifs_readv_receive,
+ cifs_readv_callback, rdata, 0);
if (rc == 0)
cifs_stats_inc(&tcon->stats.cifs_stats.num_reads);
@@ -2052,6 +2055,7 @@ cifs_async_writev(struct cifs_writedata *wdata)
int wct;
struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink);
struct kvec *iov = NULL;
+ struct smb_rqst rqst = { };
if (tcon->ses->capabilities & CAP_LARGE_FILES) {
wct = 14;
@@ -2068,11 +2072,13 @@ cifs_async_writev(struct cifs_writedata *wdata)
goto async_writev_out;
/* 1 iov per page + 1 for header */
- iov = kzalloc((wdata->nr_pages + 1) * sizeof(*iov), GFP_NOFS);
+ rqst.rq_nvec = wdata->nr_pages + 1;
+ iov = kzalloc((rqst.rq_nvec) * sizeof(*iov), GFP_NOFS);
if (iov == NULL) {
rc = -ENOMEM;
goto async_writev_out;
}
+ rqst.rq_iov = iov;
smb->hdr.Pid = cpu_to_le16((__u16)wdata->pid);
smb->hdr.PidHigh = cpu_to_le16((__u16)(wdata->pid >> 16));
@@ -2121,8 +2127,8 @@ cifs_async_writev(struct cifs_writedata *wdata)
}
kref_get(&wdata->refcount);
- rc = cifs_call_async(tcon->ses->server, iov, wdata->nr_pages + 1,
- NULL, cifs_writev_callback, wdata, 0);
+ rc = cifs_call_async(tcon->ses->server, &rqst, NULL,
+ cifs_writev_callback, wdata, 0);
if (rc == 0)
cifs_stats_inc(&tcon->stats.cifs_stats.num_writes);
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 902bbe2..dbb798c 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -43,9 +43,7 @@ extern int smb2_check_receive(struct mid_q_entry *mid,
struct TCP_Server_Info *server, bool log_error);
extern int smb2_setup_request(struct cifs_ses *ses, struct kvec *iov,
unsigned int nvec, struct mid_q_entry **ret_mid);
-extern int smb2_setup_async_request(struct TCP_Server_Info *server,
- struct kvec *iov, unsigned int nvec,
- struct mid_q_entry **ret_mid);
+extern struct mid_q_entry *smb2_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst);
extern void smb2_echo_request(struct work_struct *work);
extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index 31f5d42..c0a7a42 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -148,25 +148,23 @@ smb2_setup_request(struct cifs_ses *ses, struct kvec *iov,
return rc;
}
-int
-smb2_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov,
- unsigned int nvec, struct mid_q_entry **ret_mid)
+struct mid_q_entry *
+smb2_setup_async_request(struct TCP_Server_Info *server,
+ struct smb_rqst *rqst)
{
- int rc = 0;
- struct smb2_hdr *hdr = (struct smb2_hdr *)iov[0].iov_base;
+ struct smb2_hdr *hdr = (struct smb2_hdr *)smb_rqst->iov[0].iov_base;
struct mid_q_entry *mid;
smb2_seq_num_into_buf(server, hdr);
mid = smb2_mid_entry_alloc(hdr, server);
if (mid == NULL)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
/* rc = smb2_sign_smb2(iov, nvec, server);
if (rc) {
DeleteMidQEntry(mid);
return rc;
}*/
- *ret_mid = mid;
- return rc;
+ return mid;
}
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 5673ef1..73cfa6f 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -454,12 +454,11 @@ wait_for_response(struct TCP_Server_Info *server, struct mid_q_entry *midQ)
return 0;
}
-int
-cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov,
- unsigned int nvec, struct mid_q_entry **ret_mid)
+struct mid_q_entry *
+cifs_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst)
{
int rc;
- struct smb_hdr *hdr = (struct smb_hdr *)iov[0].iov_base;
+ struct smb_hdr *hdr = (struct smb_hdr *)rqst->rq_iov[0].iov_base;
struct mid_q_entry *mid;
/* enable signing if server requires it */
@@ -468,16 +467,15 @@ cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov,
mid = AllocMidQEntry(hdr, server);
if (mid == NULL)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
- rc = cifs_sign_smbv(iov, nvec, server, &mid->sequence_number);
+ rc = cifs_sign_rqst(rqst, server, &mid->sequence_number);
if (rc) {
DeleteMidQEntry(mid);
- return rc;
+ return ERR_PTR(rc);
}
- *ret_mid = mid;
- return 0;
+ return mid;
}
/*
@@ -485,9 +483,9 @@ cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov,
* the result. Caller is responsible for dealing with timeouts.
*/
int
-cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
- unsigned int nvec, mid_receive_t *receive,
- mid_callback_t *callback, void *cbdata, const int flags)
+cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst,
+ mid_receive_t *receive, mid_callback_t *callback,
+ void *cbdata, const int flags)
{
int rc, timeout, optype;
struct mid_q_entry *mid;
@@ -500,12 +498,12 @@ cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
return rc;
mutex_lock(&server->srv_mutex);
- rc = server->ops->setup_async_request(server, iov, nvec, &mid);
- if (rc) {
+ mid = server->ops->setup_async_request(server, rqst);
+ if (IS_ERR(mid)) {
mutex_unlock(&server->srv_mutex);
add_credits(server, 1, optype);
wake_up(&server->request_q);
- return rc;
+ return PTR_ERR(mid);
}
mid->receive = receive;
@@ -520,7 +518,7 @@ cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
cifs_in_send_inc(server);
- rc = smb_sendv(server, iov, nvec);
+ rc = smb_send_rqst(server, rqst);
cifs_in_send_dec(server);
cifs_save_when_sent(mid);
mutex_unlock(&server->srv_mutex);
--
1.7.11.2
--
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