osi_hyper_t thyper;
AFSVolSync volSync;
AFSFid tfid;
- struct rx_call *callp;
+ struct rx_call *rxcallp;
struct rx_connection *rxconnp;
osi_queueData_t *qdp;
cm_buf_t *bufp;
* buffer, although more likely it will just return a new, empty, buffer.
*/
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
if (scp->flags & CM_SCACHEFLAG_DELETED) {
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
return CM_ERROR_NOSUCHFILE;
}
code = cm_SetupStoreBIOD(scp, offsetp, length, &biod, userp, reqp);
if (code) {
osi_Log1(afsd_logp, "cm_SetupStoreBIOD code %x", code);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
return code;
}
if (biod.length == 0) {
osi_Log0(afsd_logp, "cm_SetupStoreBIOD length 0");
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
cm_ReleaseBIOD(&biod, 1, 0); /* should be a NOOP */
return 0;
}
require_64bit_ops = 1;
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
/* now we're ready to do the store operation */
do {
retry:
rxconnp = cm_GetRxConn(connp);
- callp = rx_NewCall(rxconnp);
+ rxcallp = rx_NewCall(rxconnp);
rx_PutConnection(rxconnp);
#ifdef AFS_LARGEFILES
osi_Log4(afsd_logp, "CALL StartRXAFS_StoreData64 scp 0x%p, offset 0x%x:%08x, length 0x%x",
scp, biod.offset.HighPart, biod.offset.LowPart, nbytes);
- code = StartRXAFS_StoreData64(callp, &tfid, &inStatus,
+ code = StartRXAFS_StoreData64(rxcallp, &tfid, &inStatus,
biod.offset.QuadPart,
nbytes,
truncPos.QuadPart);
osi_Log4(afsd_logp, "CALL StartRXAFS_StoreData scp 0x%p, offset 0x%x:%08x, length 0x%x",
scp, biod.offset.HighPart, biod.offset.LowPart, nbytes);
- code = StartRXAFS_StoreData(callp, &tfid, &inStatus,
+ code = StartRXAFS_StoreData(rxcallp, &tfid, &inStatus,
biod.offset.LowPart, nbytes, truncPos.LowPart);
if (code)
osi_Log1(afsd_logp, "CALL StartRXAFS_StoreData FAILURE, code 0x%x", code);
osi_Log4(afsd_logp, "CALL StartRXAFS_StoreData scp 0x%p, offset 0x%x:%08x, length 0x%x",
scp, biod.offset.HighPart, biod.offset.LowPart, nbytes);
- code = StartRXAFS_StoreData(callp, &tfid, &inStatus,
+ code = StartRXAFS_StoreData(rxcallp, &tfid, &inStatus,
biod.offset.LowPart, nbytes, truncPos.LowPart);
if (code)
osi_Log1(afsd_logp, "CALL StartRXAFS_StoreData FAILURE, code 0x%x", code);
wbytes = cm_data.buf_blockSize;
/* write out wbytes of data from bufferp */
- temp = rx_Write(callp, bufferp, wbytes);
+ temp = rx_Write(rxcallp, bufferp, wbytes);
if (temp != wbytes) {
osi_Log3(afsd_logp, "rx_Write failed bp 0x%p, %d != %d",bufp,temp,wbytes);
code = -1;
if (code == 0) {
if (SERVERHAS64BIT(connp)) {
- code = EndRXAFS_StoreData64(callp, &outStatus, &volSync);
+ code = EndRXAFS_StoreData64(rxcallp, &outStatus, &volSync);
if (code)
osi_Log2(afsd_logp, "EndRXAFS_StoreData64 FAILURE scp 0x%p code %lX", scp, code);
else
osi_Log0(afsd_logp, "EndRXAFS_StoreData64 SUCCESS");
} else {
- code = EndRXAFS_StoreData(callp, &outStatus, &volSync);
+ code = EndRXAFS_StoreData(rxcallp, &outStatus, &volSync);
if (code)
osi_Log2(afsd_logp, "EndRXAFS_StoreData FAILURE scp 0x%p code %lX",scp,code);
else
}
}
- code = rx_EndCall(callp, code);
+ code = rx_EndCall(rxcallp, code);
#ifdef AFS_LARGEFILES
if (code == RXGEN_OPCODE && SERVERHAS64BIT(connp)) {
osi_Log1(afsd_logp, "CALL StoreData SUCCESS scp 0x%p", scp);
/* now, clean up our state */
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_STOREDATA_EXCL);
else if (code == CM_ERROR_QUOTA)
scp->flags |= CM_SCACHEFLAG_OVERQUOTA;
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
cm_ReleaseBIOD(&biod, 1, code);
return code;
long code;
osi_hyper_t truncPos;
cm_conn_t *connp;
- struct rx_call *callp;
+ struct rx_call *rxcallp;
struct rx_connection *rxconnp;
int require_64bit_ops = 0;
require_64bit_ops = 1;
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
cm_AFSFidFromFid(&tfid, &scp->fid);
retry:
rxconnp = cm_GetRxConn(connp);
- callp = rx_NewCall(rxconnp);
+ rxcallp = rx_NewCall(rxconnp);
rx_PutConnection(rxconnp);
#ifdef AFS_LARGEFILES
if (SERVERHAS64BIT(connp)) {
- code = StartRXAFS_StoreData64(callp, &tfid, &inStatus,
+ code = StartRXAFS_StoreData64(rxcallp, &tfid, &inStatus,
0, 0, truncPos.QuadPart);
} else {
if (require_64bit_ops) {
code = CM_ERROR_TOOBIG;
} else {
- code = StartRXAFS_StoreData(callp, &tfid, &inStatus,
+ code = StartRXAFS_StoreData(rxcallp, &tfid, &inStatus,
0, 0, truncPos.LowPart);
}
}
#else
- code = StartRXAFS_StoreData(callp, &tfid, &inStatus,
+ code = StartRXAFS_StoreData(rxcallp, &tfid, &inStatus,
0, 0, truncPos.LowPart);
#endif
if (code == 0) {
if (SERVERHAS64BIT(connp))
- code = EndRXAFS_StoreData64(callp, &outStatus, &volSync);
+ code = EndRXAFS_StoreData64(rxcallp, &outStatus, &volSync);
else
- code = EndRXAFS_StoreData(callp, &outStatus, &volSync);
+ code = EndRXAFS_StoreData(rxcallp, &outStatus, &volSync);
}
- code = rx_EndCall(callp, code);
+ code = rx_EndCall(rxcallp, code);
#ifdef AFS_LARGEFILES
if (code == RXGEN_OPCODE && SERVERHAS64BIT(connp)) {
code = cm_MapRPCError(code, reqp);
/* now, clean up our state */
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_STOREDATA_EXCL);
cm_scache_t *scp = vscp;
long code;
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
code = cm_SyncOp(scp, NULL, userp, reqp, 0,
CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_SETSIZE);
if (code) {
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
return code;
}
cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_SETSIZE);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
/* always succeeds */
return 0;
return 0;
if ((bufp->cmFlags & (CM_BUF_CMFETCHING | CM_BUF_CMFULLYFETCHED)) == (CM_BUF_CMFETCHING | CM_BUF_CMFULLYFETCHED))
return 1;
- if (bufp->dataVersion == scp->dataVersion)
+ if (bufp->dataVersion <= scp->dataVersion && bufp->dataVersion >= scp->bufDataVersionLow)
return 1;
if (!isBufLocked) {
code = lock_TryMutex(&bufp->mx);
tlength = *length;
tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
stop = 0;
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
while (LargeIntegerGreaterThanZero(tlength)) {
/* get callback so we can do a meaningful dataVersion comparison */
code = cm_SyncOp(scp, NULL, userp, reqp, 0,
CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
if (code) {
scp->flags &= ~CM_SCACHEFLAG_PREFETCHING;
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
return code;
}
/* We cheat slightly by not locking the bp mutex. */
if (bp) {
if ((bp->cmFlags & (CM_BUF_CMFETCHING | CM_BUF_CMSTORING)) == 0
- && bp->dataVersion != scp->dataVersion)
+ && (bp->dataVersion < scp->bufDataVersionLow || bp->dataVersion > scp->dataVersion))
stop = 1;
buf_Release(bp);
bp = NULL;
*realBasep = tbase;
code = 0;
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
return code;
}
osi_Log4(afsd_logp, "Finished BKG store scp 0x%p, offset 0x%x:%08x, code 0x%x", scp, p2, p1, code);
}
- lock_ObtainMutex(&scp->mx);
- cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_ASYNCSTORE);
- lock_ReleaseMutex(&scp->mx);
-
+ /*
+ * Keep the following list synchronized with the
+ * error code list in cm_BkgDaemon
+ */
+ switch ( code ) {
+ case CM_ERROR_TIMEDOUT: /* or server restarting */
+ case CM_ERROR_RETRY:
+ case CM_ERROR_WOULDBLOCK:
+ case CM_ERROR_ALLBUSY:
+ case CM_ERROR_ALLDOWN:
+ case CM_ERROR_ALLOFFLINE:
+ case CM_ERROR_PARTIALWRITE:
+ break; /* cm_BkgDaemon will re-insert the request in the queue */
+ case 0:
+ default:
+ lock_ObtainWrite(&scp->rw);
+ cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_ASYNCSTORE);
+ lock_ReleaseWrite(&scp->rw);
+ }
return code;
}
osi_Log3(afsd_logp, "Starting BKG prefetch scp 0x%p, base 0x%x:%x", scp, p2, p1);
- for (code = 0, offset = base;
+ for ( code = 0, offset = base;
code == 0 && LargeIntegerLessThan(offset, end);
- offset = LargeIntegerAdd(offset, tblocksize))
+ offset = LargeIntegerAdd(offset, tblocksize) )
{
if (mxheld) {
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
mxheld = 0;
}
- code = buf_Get(scp, &base, &bp);
- if (!mxheld) {
- lock_ObtainMutex(&scp->mx);
- mxheld = 1;
- }
- if (code || (bp->cmFlags & CM_BUF_CMFETCHING)) {
- code = 0;
- if (bp) {
- buf_Release(bp);
- bp = NULL;
- }
+ code = buf_Get(scp, &offset, &bp);
+ if (code)
break;
+
+ if (bp->cmFlags & CM_BUF_CMFETCHING) {
+ /* skip this buffer as another thread is already fetching it */
+ buf_Release(bp);
+ bp = NULL;
+ continue;
+ }
+
+ if (!mxheld) {
+ lock_ObtainWrite(&scp->rw);
+ mxheld = 1;
}
code = cm_GetBuffer(scp, bp, NULL, userp, &req);
if (code == 0)
fetched = LargeIntegerAdd(fetched, tblocksize);
+ buf_Release(bp);
}
if (!mxheld) {
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
mxheld = 1;
}
cm_ClearPrefetchFlag(LargeIntegerGreaterThanZero(fetched) ? 0 : code,
scp, &base, &fetched);
- lock_ReleaseMutex(&scp->mx);
- if (bp) {
- buf_Release(bp);
- bp = NULL;
- }
+ lock_ReleaseWrite(&scp->rw);
osi_Log4(afsd_logp, "Ending BKG prefetch scp 0x%p, code %d bytes 0x%x:%x",
scp, code, fetched.HighPart, fetched.LowPart);
/* a read was issued to offsetp, and we have to determine whether we should
* do a prefetch of the next chunk.
*/
-void cm_ConsiderPrefetch(cm_scache_t *scp, osi_hyper_t *offsetp,
+void cm_ConsiderPrefetch(cm_scache_t *scp, osi_hyper_t *offsetp, afs_uint32 count,
cm_user_t *userp, cm_req_t *reqp)
{
long code;
readBase.LowPart += (cm_chunkSize-1);
readBase.LowPart &= (-cm_chunkSize);
- readLength = ConvertLongToLargeInteger(cm_chunkSize);
+ readLength = ConvertLongToLargeInteger(count);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
if ((scp->flags & CM_SCACHEFLAG_PREFETCHING)
|| LargeIntegerLessThanOrEqualTo(readBase, scp->prefetch.base)) {
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
return;
}
scp->flags |= CM_SCACHEFLAG_PREFETCHING;
if (LargeIntegerGreaterThan(scp->prefetch.end, readBase))
readBase = scp->prefetch.end;
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
code = cm_CheckFetchRange(scp, &readBase, &readLength, userp, reqp,
&realBase);
biop->reserved = 0;
/* reserve a chunk's worth of buffers */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
buf_ReserveBuffers(cm_chunkSize / cm_data.buf_blockSize);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
bufp = NULL;
for (temp = 0; temp < inSize; temp += cm_data.buf_blockSize) {
bufp = buf_Find(scp, &tbase);
if (bufp) {
/* get buffer mutex and scp mutex safely */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
lock_ObtainMutex(&bufp->mx);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
flags = CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_STOREDATA | CM_SCACHESYNC_BUFLOCKED;
code = cm_SyncOp(scp, bufp, userp, reqp, 0, flags);
break;
/* try to lock it, and quit if we can't (simplifies locking) */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
code = lock_TryMutex(&bufp->mx);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
if (code == 0) {
buf_Release(bufp);
bufp = NULL;
break;
/* try to lock it, and quit if we can't (simplifies locking) */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
code = lock_TryMutex(&bufp->mx);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
if (code == 0) {
buf_Release(bufp);
bufp = NULL;
/* copy out size, since it may change */
fileSize = scp->serverLength;
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
pageBase = *offsetp;
collected = pageBase.LowPart & (cm_chunkSize - 1);
code = buf_Get(scp, &pageBase, &tbp);
if (code) {
//lock_ReleaseMutex(&cm_bufGetMutex);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
return code;
}
/* now lock the buffer lock */
lock_ObtainMutex(&tbp->mx);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
/* don't bother fetching over data that is already current */
- if (tbp->dataVersion == scp->dataVersion) {
+ if (tbp->dataVersion <= scp->dataVersion && tbp->dataVersion >= scp->bufDataVersionLow) {
/* we don't need this buffer, since it is current */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
lock_ReleaseMutex(&tbp->mx);
break;
}
*/
code = cm_SyncOp(scp, tbp, userp, reqp, 0, flags);
if (code) {
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
lock_ReleaseMutex(&tbp->mx);
break;
}
/* don't fetch over dirty buffers */
if (tbp->flags & CM_BUF_DIRTY) {
cm_SyncOpDone(scp, tbp, flags);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
lock_ReleaseMutex(&tbp->mx);
break;
}
/* Release locks */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
lock_ReleaseMutex(&tbp->mx);
/* add the buffer to the list */
}
/* Caller expects this */
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
/* if we got a failure setting up the first buffer, then we don't have
* any side effects yet, and we also have failed an operation that the
/* now, mark I/O as done, unlock the buffer and release it */
lock_ObtainMutex(&bufp->mx);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, bufp, flags);
/* turn off writing and wakeup users */
}
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
lock_ReleaseMutex(&bufp->mx);
buf_Release(bufp);
bufp = NULL;
}
} else {
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, NULL, flags);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
}
/* clean things out */
cm_buf_t *tbufp; /* buf we're filling */
osi_queueData_t *qdp; /* q element we're scanning */
AFSFid tfid;
- struct rx_call *callp;
+ struct rx_call *rxcallp;
struct rx_connection *rxconnp;
cm_bulkIO_t biod; /* bulk IO descriptor */
cm_conn_t *connp;
osi_Log1(afsd_logp,"GetBuffer returns cm_data.rootSCachep=%x",cm_data.rootSCachep);
#endif
+ if (cm_HaveCallback(scp) && bufp->dataVersion <= scp->dataVersion && bufp->dataVersion >= scp->bufDataVersionLow) {
+ /* We already have this buffer don't do extra work */
+ return 0;
+ }
+
cm_AFSFidFromFid(&tfid, &scp->fid);
code = cm_SetupFetchBIOD(scp, &bufp->offset, &biod, userp, reqp);
* We can lose a race condition and end up with biod.length zero, in
* which case we just retry.
*/
- if (bufp->dataVersion == scp->dataVersion || biod.length == 0) {
- if ((bufp->dataVersion == -1 || bufp->dataVersion < scp->dataVersion) &&
+ if (bufp->dataVersion <= scp->dataVersion && bufp->dataVersion >= scp->bufDataVersionLow || biod.length == 0) {
+ if ((bufp->dataVersion == CM_BUF_VERSION_BAD || bufp->dataVersion < scp->bufDataVersionLow) &&
LargeIntegerGreaterThanOrEqualTo(bufp->offset, scp->serverLength))
{
- osi_Log3(afsd_logp, "Bad DVs %I64d, %I64d or length 0x%x",
- bufp->dataVersion, scp->dataVersion, biod.length);
+ osi_Log4(afsd_logp, "Bad DVs 0x%x != (0x%x -> 0x%x) or length 0x%x",
+ bufp->dataVersion, scp->bufDataVersionLow, scp->dataVersion, biod.length);
- if (bufp->dataVersion == -1)
+ if (bufp->dataVersion == CM_BUF_VERSION_BAD)
memset(bufp->datap, 0, cm_data.buf_blockSize);
bufp->dataVersion = scp->dataVersion;
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
+ cm_ReleaseBIOD(&biod, 0, 0);
+ lock_ObtainWrite(&scp->rw);
+ return 0;
+ } else if ((bufp->dataVersion == CM_BUF_VERSION_BAD || bufp->dataVersion < scp->bufDataVersionLow)
+ && (scp->mask & CM_SCACHEMASK_TRUNCPOS) &&
+ LargeIntegerGreaterThanOrEqualTo(bufp->offset, scp->truncPos)) {
+ memset(bufp->datap, 0, cm_data.buf_blockSize);
+ bufp->dataVersion = scp->dataVersion;
+ lock_ReleaseWrite(&scp->rw);
cm_ReleaseBIOD(&biod, 0, 0);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
return 0;
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
if (LargeIntegerGreaterThan(LargeIntegerAdd(biod.offset,
ConvertLongToLargeInteger(biod.length)),
require_64bit_ops = 1;
}
-#ifdef DISKCACHE95
- DPRINTF("cm_GetBuffer: fetching data scpDV=%I64d bufDV=%I64d scp=%x bp=%x dcp=%x\n",
- scp->dataVersion, bufp->dataVersion, scp, bufp, bufp->dcp);
-#endif /* DISKCACHE95 */
+ osi_Log2(afsd_logp, "cm_GetBuffer: fetching data scp %p bufp %p", scp, bufp);
+ osi_Log3(afsd_logp, "cm_GetBuffer: fetching data scpDV 0x%x scpDVLow 0x%x bufDV 0x%x",
+ scp->dataVersion, scp->bufDataVersionLow, bufp->dataVersion);
#ifdef AFS_FREELANCE_CLIENT
continue;
rxconnp = cm_GetRxConn(connp);
- callp = rx_NewCall(rxconnp);
+ rxcallp = rx_NewCall(rxconnp);
rx_PutConnection(rxconnp);
#ifdef AFS_LARGEFILES
osi_Log4(afsd_logp, "CALL FetchData64 scp 0x%p, off 0x%x:%08x, size 0x%x",
scp, biod.offset.HighPart, biod.offset.LowPart, biod.length);
- code = StartRXAFS_FetchData64(callp, &tfid, biod.offset.QuadPart, biod.length);
+ code = StartRXAFS_FetchData64(rxcallp, &tfid, biod.offset.QuadPart, biod.length);
if (code == 0) {
- temp = rx_Read(callp, (char *) &nbytes_hi, sizeof(afs_int32));
+ temp = rx_Read(rxcallp, (char *) &nbytes_hi, sizeof(afs_int32));
if (temp == sizeof(afs_int32)) {
nbytes_hi = ntohl(nbytes_hi);
} else {
nbytes_hi = 0;
- code = callp->error;
- rx_EndCall(callp, code);
- callp = NULL;
+ code = rxcallp->error;
+ rx_EndCall(rxcallp, code);
+ rxcallp = NULL;
}
}
}
osi_Log0(afsd_logp, "Skipping FetchData. Operation requires FetchData64");
code = CM_ERROR_TOOBIG;
} else {
- if (!callp) {
+ if (!rxcallp) {
rxconnp = cm_GetRxConn(connp);
- callp = rx_NewCall(rxconnp);
+ rxcallp = rx_NewCall(rxconnp);
rx_PutConnection(rxconnp);
}
osi_Log3(afsd_logp, "CALL FetchData scp 0x%p, off 0x%x, size 0x%x",
scp, biod.offset.LowPart, biod.length);
- code = StartRXAFS_FetchData(callp, &tfid, biod.offset.LowPart,
+ code = StartRXAFS_FetchData(rxcallp, &tfid, biod.offset.LowPart,
biod.length);
SET_SERVERHASNO64BIT(connp);
}
if (code == 0) {
- temp = rx_Read(callp, (char *)&nbytes, sizeof(afs_int32));
+ temp = rx_Read(rxcallp, (char *)&nbytes, sizeof(afs_int32));
if (temp == sizeof(afs_int32)) {
nbytes = ntohl(nbytes);
FillInt64(length_found, nbytes_hi, nbytes);
if (length_found > biod.length)
- code = (callp->error < 0) ? callp->error : -1;
+ code = (rxcallp->error < 0) ? rxcallp->error : -1;
} else {
- code = (callp->error < 0) ? callp->error : -1;
+ code = (rxcallp->error < 0) ? rxcallp->error : -1;
}
}
/* for the moment, nbytes_hi will always be 0 if code == 0
osi_Log3(afsd_logp, "CALL FetchData scp 0x%p, off 0x%x, size 0x%x",
scp, biod.offset.LowPart, biod.length);
- code = StartRXAFS_FetchData(callp, &tfid, biod.offset.LowPart,
+ code = StartRXAFS_FetchData(rxcallp, &tfid, biod.offset.LowPart,
biod.length);
/* now copy the data out of the pipe and put it in the buffer */
if (code == 0) {
- temp = rx_Read(callp, (char *)&nbytes, sizeof(afs_int32));
+ temp = rx_Read(rxcallp, (char *)&nbytes, sizeof(afs_int32));
if (temp == sizeof(afs_int32)) {
nbytes = ntohl(nbytes);
if (nbytes > biod.length)
- code = (callp->error < 0) ? callp->error : -1;
+ code = (rxcallp->error < 0) ? rxcallp->error : -1;
}
else
- code = (callp->error < 0) ? callp->error : -1;
+ code = (rxcallp->error < 0) ? rxcallp->error : -1;
}
#endif
/* read rbytes of data */
rbytes = (nbytes > cm_data.buf_blockSize? cm_data.buf_blockSize : nbytes);
- temp = rx_Read(callp, bufferp, rbytes);
+ temp = rx_Read(rxcallp, bufferp, rbytes);
if (temp < rbytes) {
- code = (callp->error < 0) ? callp->error : -1;
+ code = (rxcallp->error < 0) ? rxcallp->error : -1;
break;
}
* this buffer will start a prefetch.
*/
tbufp->cmFlags |= CM_BUF_CMFULLYFETCHED;
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
if (scp->flags & CM_SCACHEFLAG_WAITING) {
osi_Log1(afsd_logp, "CM GetBuffer Waking scp 0x%p", scp);
osi_Wakeup((LONG_PTR) &scp->flags);
*cpffp = 1;
cm_ClearPrefetchFlag(0, scp, &biod.offset, &tlength);
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
/* and adjust counters */
nbytes -= temp;
if (code == 0) {
if (SERVERHAS64BIT(connp))
- code = EndRXAFS_FetchData64(callp, &afsStatus, &callback, &volSync);
+ code = EndRXAFS_FetchData64(rxcallp, &afsStatus, &callback, &volSync);
else
- code = EndRXAFS_FetchData(callp, &afsStatus, &callback, &volSync);
+ code = EndRXAFS_FetchData(rxcallp, &afsStatus, &callback, &volSync);
} else {
if (SERVERHAS64BIT(connp))
osi_Log1(afsd_logp, "CALL EndRXAFS_FetchData64 skipped due to error %d", code);
osi_Log1(afsd_logp, "CALL EndRXAFS_FetchData skipped due to error %d", code);
}
- if (callp)
- code = rx_EndCall(callp, code);
+ if (rxcallp)
+ code = rx_EndCall(rxcallp, code);
if (code == RXKADUNKNOWNKEY)
osi_Log0(afsd_logp, "CALL EndCall returns RXKADUNKNOWNKEY");
fetchingcompleted:
code = cm_MapRPCError(code, reqp);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
- cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_FETCHSTATUS);
-
/* we know that no one else has changed the buffer, since we still have
* the fetching flag on the buffers, and we have the scp locked again.
* Copy in the version # into the buffer if we got code 0 back from the
}
/* release scatter/gather I/O structure (buffers, locks) */
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
cm_ReleaseBIOD(&biod, 0, code);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
if (code == 0)
cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, 0);
git://git.openafs.org / openafs.git / blobdiff