#include "cifsproto.h"
#include "cifs_debug.h"
-extern mempool_t *cifs_mid_poolp;
-
-static void
-wake_up_task(struct mid_q_entry *mid)
+void
+cifs_wake_up_task(struct mid_q_entry *mid)
{
wake_up_process(mid->callback_data);
}
/* do_gettimeofday(&temp->when_sent);*/ /* easier to use jiffies */
/* when mid allocated can be before when sent */
temp->when_alloc = jiffies;
+ temp->server = server;
/*
* The default is for the mid to be synchronous, so the
* default callback just wakes up the current task.
*/
- temp->callback = wake_up_task;
+ temp->callback = cifs_wake_up_task;
temp->callback_data = current;
}
DeleteMidQEntry(struct mid_q_entry *midEntry)
{
#ifdef CONFIG_CIFS_STATS2
+ __le16 command = midEntry->server->vals->lock_cmd;
unsigned long now;
#endif
midEntry->mid_state = MID_FREE;
/* commands taking longer than one second are indications that
something is wrong, unless it is quite a slow link or server */
if ((now - midEntry->when_alloc) > HZ) {
- if ((cifsFYI & CIFS_TIMER) &&
- (midEntry->command != cpu_to_le16(SMB_COM_LOCKING_ANDX))) {
+ if ((cifsFYI & CIFS_TIMER) && (midEntry->command != command)) {
printk(KERN_DEBUG " CIFS slow rsp: cmd %d mid %llu",
midEntry->command, midEntry->mid);
printk(" A: 0x%lx S: 0x%lx R: 0x%lx\n",
int rc = 0;
int i = 0;
struct msghdr smb_msg;
- __be32 *buf_len = (__be32 *)(iov[0].iov_base);
unsigned int len = iov[0].iov_len;
unsigned int total_len;
int first_vec = 0;
else
rc = 0;
- /* Don't want to modify the buffer as a side effect of this call. */
- *buf_len = cpu_to_be32(smb_buf_length);
-
return rc;
}
}
static int
-wait_for_free_credits(struct TCP_Server_Info *server, const int optype,
+wait_for_free_credits(struct TCP_Server_Info *server, const int timeout,
int *credits)
{
int rc;
spin_lock(&server->req_lock);
- if (optype == CIFS_ASYNC_OP) {
+ if (timeout == CIFS_ASYNC_OP) {
/* oplock breaks must not be held up */
server->in_flight++;
*credits -= 1;
*/
/* update # of requests on the wire to server */
- if (optype != CIFS_BLOCKING_OP) {
+ if (timeout != CIFS_BLOCKING_OP) {
*credits -= 1;
server->in_flight++;
}
}
static int
-wait_for_free_request(struct TCP_Server_Info *server, const int optype)
+wait_for_free_request(struct TCP_Server_Info *server, const int timeout,
+ const int optype)
{
- return wait_for_free_credits(server, optype,
- server->ops->get_credits_field(server));
+ return wait_for_free_credits(server, timeout,
+ server->ops->get_credits_field(server, optype));
}
static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,
return 0;
}
-static int
+int
cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov,
unsigned int nvec, struct mid_q_entry **ret_mid)
{
if (mid == NULL)
return -ENOMEM;
- rc = cifs_sign_smb2(iov, nvec, server, &mid->sequence_number);
+ rc = cifs_sign_smbv(iov, nvec, server, &mid->sequence_number);
if (rc) {
DeleteMidQEntry(mid);
return rc;
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, bool ignore_pend)
+ mid_callback_t *callback, void *cbdata, const int flags)
{
- int rc;
+ int rc, timeout, optype;
struct mid_q_entry *mid;
- rc = wait_for_free_request(server, ignore_pend ? CIFS_ASYNC_OP : 0);
+ timeout = flags & CIFS_TIMEOUT_MASK;
+ optype = flags & CIFS_OP_MASK;
+
+ rc = wait_for_free_request(server, timeout, optype);
if (rc)
return rc;
mutex_lock(&server->srv_mutex);
- rc = cifs_setup_async_request(server, iov, nvec, &mid);
+ rc = server->ops->setup_async_request(server, iov, nvec, &mid);
if (rc) {
mutex_unlock(&server->srv_mutex);
- add_credits(server, 1);
+ add_credits(server, 1, optype);
wake_up(&server->request_q);
return rc;
}
return 0;
delete_mid(mid);
- add_credits(server, 1);
+ add_credits(server, 1, optype);
wake_up(&server->request_q);
return rc;
}
rc = allocate_mid(ses, hdr, &mid);
if (rc)
return rc;
- rc = cifs_sign_smb2(iov, nvec, ses->server, &mid->sequence_number);
+ rc = cifs_sign_smbv(iov, nvec, ses->server, &mid->sequence_number);
if (rc)
delete_mid(mid);
*ret_mid = mid;
int
SendReceive2(const unsigned int xid, struct cifs_ses *ses,
- struct kvec *iov, int n_vec, int *pRespBufType /* ret */,
+ struct kvec *iov, int n_vec, int *resp_buf_type /* ret */,
const int flags)
{
int rc = 0;
- int long_op;
+ int timeout, optype;
struct mid_q_entry *midQ;
char *buf = iov[0].iov_base;
+ unsigned int credits = 1;
- long_op = flags & CIFS_TIMEOUT_MASK;
+ timeout = flags & CIFS_TIMEOUT_MASK;
+ optype = flags & CIFS_OP_MASK;
- *pRespBufType = CIFS_NO_BUFFER; /* no response buf yet */
+ *resp_buf_type = CIFS_NO_BUFFER; /* no response buf yet */
if ((ses == NULL) || (ses->server == NULL)) {
cifs_small_buf_release(buf);
* use ses->maxReq.
*/
- rc = wait_for_free_request(ses->server, long_op);
+ rc = wait_for_free_request(ses->server, timeout, optype);
if (rc) {
cifs_small_buf_release(buf);
return rc;
mutex_unlock(&ses->server->srv_mutex);
cifs_small_buf_release(buf);
/* Update # of requests on wire to server */
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, optype);
return rc;
}
goto out;
}
- if (long_op == CIFS_ASYNC_OP) {
+ if (timeout == CIFS_ASYNC_OP) {
cifs_small_buf_release(buf);
goto out;
}
midQ->callback = DeleteMidQEntry;
spin_unlock(&GlobalMid_Lock);
cifs_small_buf_release(buf);
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, optype);
return rc;
}
spin_unlock(&GlobalMid_Lock);
rc = cifs_sync_mid_result(midQ, ses->server);
if (rc != 0) {
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, optype);
return rc;
}
iov[0].iov_base = buf;
iov[0].iov_len = get_rfc1002_length(buf) + 4;
if (midQ->large_buf)
- *pRespBufType = CIFS_LARGE_BUFFER;
+ *resp_buf_type = CIFS_LARGE_BUFFER;
else
- *pRespBufType = CIFS_SMALL_BUFFER;
+ *resp_buf_type = CIFS_SMALL_BUFFER;
+
+ credits = ses->server->ops->get_credits(midQ);
rc = ses->server->ops->check_receive(midQ, ses->server,
flags & CIFS_LOG_ERROR);
midQ->resp_buf = NULL;
out:
delete_mid(midQ);
- add_credits(ses->server, 1);
+ add_credits(ses->server, credits, optype);
return rc;
}
int
SendReceive(const unsigned int xid, struct cifs_ses *ses,
struct smb_hdr *in_buf, struct smb_hdr *out_buf,
- int *pbytes_returned, const int long_op)
+ int *pbytes_returned, const int timeout)
{
int rc = 0;
struct mid_q_entry *midQ;
return -EIO;
}
- rc = wait_for_free_request(ses->server, long_op);
+ rc = wait_for_free_request(ses->server, timeout, 0);
if (rc)
return rc;
if (rc) {
mutex_unlock(&ses->server->srv_mutex);
/* Update # of requests on wire to server */
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, 0);
return rc;
}
if (rc < 0)
goto out;
- if (long_op == CIFS_ASYNC_OP)
+ if (timeout == CIFS_ASYNC_OP)
goto out;
rc = wait_for_response(ses->server, midQ);
/* no longer considered to be "in-flight" */
midQ->callback = DeleteMidQEntry;
spin_unlock(&GlobalMid_Lock);
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, 0);
return rc;
}
spin_unlock(&GlobalMid_Lock);
rc = cifs_sync_mid_result(midQ, ses->server);
if (rc != 0) {
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, 0);
return rc;
}
rc = cifs_check_receive(midQ, ses->server, 0);
out:
delete_mid(midQ);
- add_credits(ses->server, 1);
+ add_credits(ses->server, 1, 0);
return rc;
}
return -EIO;
}
- rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP);
+ rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP, 0);
if (rc)
return rc;
projects / platform / kernel / linux-arm64.git / blobdiff