* released by our caller. Thus, we don't have to worry about holding
* bufp->scp.
*/
- long code;
+ long code, code1;
cm_scache_t *scp = vscp;
afs_int32 nbytes;
+#ifdef AFS_LARGEFILES
+ afs_int32 save_nbytes;
+#endif
long temp;
AFSFetchStatus outStatus;
AFSStoreStatus inStatus;
osi_hyper_t truncPos;
cm_bulkIO_t biod; /* bulk IO descriptor */
int require_64bit_ops = 0;
+ int call_was_64bit = 0;
osi_assertx(userp != NULL, "null cm_user_t");
osi_assertx(scp != NULL, "null cm_scache_t");
cm_AFSFidFromFid(&tfid, &scp->fid);
+ /* Serialize StoreData RPC's; for rationale see cm_scache.c */
+ (void) cm_SyncOp(scp, NULL, userp, reqp, 0, CM_SCACHESYNC_STOREDATA_EXCL);
+
code = cm_SetupStoreBIOD(scp, offsetp, length, &biod, userp, reqp);
if (code) {
osi_Log1(afsd_logp, "cm_SetupStoreBIOD code %x", code);
+ cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_STOREDATA_EXCL);
lock_ReleaseWrite(&scp->rw);
return code;
}
if (biod.length == 0) {
osi_Log0(afsd_logp, "cm_SetupStoreBIOD length 0");
+ cm_ReleaseBIOD(&biod, 1, 0, 1); /* should be a NOOP */
+ cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_STOREDATA_EXCL);
lock_ReleaseWrite(&scp->rw);
- cm_ReleaseBIOD(&biod, 1, 0); /* should be a NOOP */
return 0;
}
- /* Serialize StoreData RPC's; for rationale see cm_scache.c */
- (void) cm_SyncOp(scp, NULL, userp, reqp, 0, CM_SCACHESYNC_STOREDATA_EXCL);
-
/* prepare the output status for the store */
scp->mask |= CM_SCACHEMASK_CLIENTMODTIME;
cm_StatusFromAttr(&inStatus, scp, NULL);
lock_ReleaseWrite(&scp->rw);
/* now we're ready to do the store operation */
+#ifdef AFS_LARGEFILES
+ save_nbytes = nbytes;
+#endif
do {
code = cm_ConnFromFID(&scp->fid, userp, reqp, &connp);
if (code)
#ifdef AFS_LARGEFILES
if (SERVERHAS64BIT(connp)) {
+ call_was_64bit = 1;
+
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);
else
osi_Log0(afsd_logp, "CALL StartRXAFS_StoreData64 SUCCESS");
} else {
+ call_was_64bit = 0;
+
if (require_64bit_ops) {
osi_Log0(afsd_logp, "Skipping StartRXAFS_StoreData. The operation requires large file support in the server.");
code = CM_ERROR_TOOBIG;
/* write the data from the the list of buffers */
qdp = NULL;
while(nbytes > 0) {
- if (qdp == NULL)
+ afs_uint32 buf_offset;
+ if (qdp == NULL) {
qdp = biod.bufListEndp;
- else
+ buf_offset = offsetp->LowPart % cm_data.buf_blockSize;
+ } else {
qdp = (osi_queueData_t *) osi_QPrev(&qdp->q);
+ buf_offset = 0;
+ }
osi_assertx(qdp != NULL, "null osi_queueData_t");
bufp = osi_GetQData(qdp);
- bufferp = bufp->datap;
+ bufferp = bufp->datap + buf_offset;
wbytes = nbytes;
- if (wbytes > cm_data.buf_blockSize)
- wbytes = cm_data.buf_blockSize;
+ if (wbytes > cm_data.buf_blockSize - buf_offset)
+ wbytes = cm_data.buf_blockSize - buf_offset;
/* write out wbytes of data from bufferp */
temp = rx_Write(rxcallp, bufferp, wbytes);
} /* if RPC started successfully */
if (code == 0) {
- if (SERVERHAS64BIT(connp)) {
+ if (call_was_64bit) {
code = EndRXAFS_StoreData64(rxcallp, &outStatus, &volSync);
if (code)
osi_Log2(afsd_logp, "EndRXAFS_StoreData64 FAILURE scp 0x%p code %lX", scp, code);
}
}
- code = rx_EndCall(rxcallp, code);
+ code1 = rx_EndCall(rxcallp, code);
#ifdef AFS_LARGEFILES
- if (code == RXGEN_OPCODE && SERVERHAS64BIT(connp)) {
+ if ((code == RXGEN_OPCODE || code1 == RXGEN_OPCODE) && SERVERHAS64BIT(connp)) {
SET_SERVERHASNO64BIT(connp);
+ qdp = NULL;
+ nbytes = save_nbytes;
goto retry;
}
#endif
-
+ /* Prefer StoreData error over rx_EndCall error */
+ if (code1 != 0)
+ code = code1;
} while (cm_Analyze(connp, userp, reqp, &scp->fid, &volSync, NULL, NULL, code));
code = cm_MapRPCError(code, reqp);
/* now, clean up our state */
lock_ObtainWrite(&scp->rw);
+ cm_ReleaseBIOD(&biod, 1, code, 1);
cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_STOREDATA_EXCL);
if (code == 0) {
* so that we see updates made by other machines.
*/
- if (SERVERHAS64BIT(connp)) {
+ if (call_was_64bit) {
t.LowPart = outStatus.Length;
t.HighPart = outStatus.Length_hi;
} else {
if (LargeIntegerGreaterThanOrEqualTo(t, scp->length))
scp->mask &= ~CM_SCACHEMASK_LENGTH;
- cm_MergeStatus(NULL, scp, &outStatus, &volSync, userp, CM_MERGEFLAG_STOREDATA);
+ cm_MergeStatus(NULL, scp, &outStatus, &volSync, userp, reqp, CM_MERGEFLAG_STOREDATA);
} else {
if (code == CM_ERROR_SPACE)
scp->flags |= CM_SCACHEFLAG_OUTOFSPACE;
scp->flags |= CM_SCACHEFLAG_OVERQUOTA;
}
lock_ReleaseWrite(&scp->rw);
- cm_ReleaseBIOD(&biod, 1, code);
return code;
}
AFSStoreStatus inStatus;
AFSVolSync volSync;
AFSFid tfid;
- long code;
+ long code, code1;
osi_hyper_t truncPos;
cm_conn_t *connp;
struct rx_call *rxcallp;
struct rx_connection *rxconnp;
int require_64bit_ops = 0;
+ int call_was_64bit = 0;
/* Serialize StoreData RPC's; for rationale see cm_scache.c */
(void) cm_SyncOp(scp, NULL, userp, reqp, 0,
#ifdef AFS_LARGEFILES
if (SERVERHAS64BIT(connp)) {
+ call_was_64bit = 1;
+
code = StartRXAFS_StoreData64(rxcallp, &tfid, &inStatus,
0, 0, truncPos.QuadPart);
} else {
+ call_was_64bit = 0;
+
if (require_64bit_ops) {
code = CM_ERROR_TOOBIG;
} else {
#endif
if (code == 0) {
- if (SERVERHAS64BIT(connp))
+ if (call_was_64bit)
code = EndRXAFS_StoreData64(rxcallp, &outStatus, &volSync);
else
code = EndRXAFS_StoreData(rxcallp, &outStatus, &volSync);
}
- code = rx_EndCall(rxcallp, code);
+ code1 = rx_EndCall(rxcallp, code);
#ifdef AFS_LARGEFILES
- if (code == RXGEN_OPCODE && SERVERHAS64BIT(connp)) {
+ if ((code == RXGEN_OPCODE || code1 == RXGEN_OPCODE) && SERVERHAS64BIT(connp)) {
SET_SERVERHASNO64BIT(connp);
goto retry;
}
#endif
-
+ /* prefer StoreData error over rx_EndCall error */
+ if (code == 0 && code1 != 0)
+ code = code1;
} while (cm_Analyze(connp, userp, reqp, &scp->fid, &volSync, NULL, NULL, code));
code = cm_MapRPCError(code, reqp);
* For explanation of handling of CM_SCACHEMASK_LENGTH,
* see cm_BufWrite().
*/
- if (SERVERHAS64BIT(connp)) {
+ if (call_was_64bit) {
t.HighPart = outStatus.Length_hi;
t.LowPart = outStatus.Length;
} else {
if (LargeIntegerGreaterThanOrEqualTo(t, scp->length))
scp->mask &= ~CM_SCACHEMASK_LENGTH;
- cm_MergeStatus(NULL, scp, &outStatus, &volSync, userp, CM_MERGEFLAG_STOREDATA);
+ cm_MergeStatus(NULL, scp, &outStatus, &volSync, userp, reqp, CM_MERGEFLAG_STOREDATA);
}
return code;
mxheld = 0;
}
- code = buf_Get(scp, &offset, &bp);
+ code = buf_Get(scp, &offset, &req, &bp);
if (code)
break;
if (LargeIntegerGreaterThanOrEqualTo(pageBase, fileSize))
break;
- code = buf_Get(scp, &pageBase, &tbp);
+ code = buf_Get(scp, &pageBase, reqp, &tbp);
if (code) {
lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
/* release a bulk I/O structure that was setup by cm_SetupFetchBIOD or by
* cm_SetupStoreBIOD
*/
-void cm_ReleaseBIOD(cm_bulkIO_t *biop, int isStore, int failed)
+void cm_ReleaseBIOD(cm_bulkIO_t *biop, int isStore, long code, int scp_locked)
{
cm_scache_t *scp; /* do not release; not held in biop */
cm_buf_t *bufp;
osi_QDFree(qdp);
/* now, mark I/O as done, unlock the buffer and release it */
+ if (scp_locked)
+ lock_ReleaseWrite(&scp->rw);
lock_ObtainMutex(&bufp->mx);
lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, bufp, flags);
osi_Log2(afsd_logp, "cm_ReleaseBIOD Waking [scp 0x%p] bp 0x%p", scp, bufp);
osi_Wakeup((LONG_PTR) bufp);
}
- if (failed)
+ if (code) {
bufp->flags &= ~CM_BUF_WRITING;
- else {
+ switch (code) {
+ case CM_ERROR_NOSUCHFILE:
+ case CM_ERROR_BADFD:
+ case CM_ERROR_NOACCESS:
+ case CM_ERROR_QUOTA:
+ case CM_ERROR_SPACE:
+ case CM_ERROR_TOOBIG:
+ case CM_ERROR_READONLY:
+ case CM_ERROR_NOSUCHPATH:
+ /*
+ * Apply the fatal error to this buffer.
+ */
+ bufp->flags &= ~CM_BUF_DIRTY;
+ bufp->flags |= CM_BUF_ERROR;
+ bufp->dirty_offset = 0;
+ bufp->dirty_length = 0;
+ bufp->error = code;
+ bufp->dataVersion = CM_BUF_VERSION_BAD;
+ bufp->dirtyCounter++;
+ break;
+ case CM_ERROR_TIMEDOUT:
+ case CM_ERROR_ALLDOWN:
+ case CM_ERROR_ALLBUSY:
+ case CM_ERROR_ALLOFFLINE:
+ case CM_ERROR_CLOCKSKEW:
+ default:
+ /* do not mark the buffer in error state but do
+ * not attempt to complete the rest either.
+ */
+ break;
+ }
+ } else {
bufp->flags &= ~(CM_BUF_WRITING | CM_BUF_DIRTY);
bufp->dirty_offset = bufp->dirty_length = 0;
}
}
- lock_ReleaseWrite(&scp->rw);
+ if (!scp_locked)
+ lock_ReleaseWrite(&scp->rw);
lock_ReleaseMutex(&bufp->mx);
buf_Release(bufp);
bufp = NULL;
}
} else {
- lock_ObtainWrite(&scp->rw);
+ if (!scp_locked)
+ lock_ObtainWrite(&scp->rw);
cm_SyncOpDone(scp, NULL, flags);
- lock_ReleaseWrite(&scp->rw);
+ if (!scp_locked)
+ lock_ReleaseWrite(&scp->rw);
}
/* clean things out */
long cm_GetBuffer(cm_scache_t *scp, cm_buf_t *bufp, int *cpffp, cm_user_t *userp,
cm_req_t *reqp)
{
- long code;
- afs_int32 nbytes; /* bytes in transfer */
- afs_int32 nbytes_hi = 0; /* high-order 32 bits of bytes in transfer */
- afs_int64 length_found = 0;
+ long code, code1;
+ afs_uint32 nbytes; /* bytes in transfer */
+ afs_uint32 nbytes_hi = 0; /* high-order 32 bits of bytes in transfer */
+ afs_uint64 length_found = 0;
long rbytes; /* bytes in rx_Read call */
long temp;
AFSFetchStatus afsStatus;
int getroot;
afs_int32 t1,t2;
int require_64bit_ops = 0;
+ int call_was_64bit = 0;
/* now, the buffer may or may not be filled with good data (buf_GetNew
* drops lots of locks, and may indeed return a properly initialized
memset(bufp->datap, 0, cm_data.buf_blockSize);
bufp->dataVersion = scp->dataVersion;
}
- lock_ReleaseWrite(&scp->rw);
- cm_ReleaseBIOD(&biod, 0, 0);
- lock_ObtainWrite(&scp->rw);
+ cm_ReleaseBIOD(&biod, 0, 0, 1);
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_ObtainWrite(&scp->rw);
+ cm_ReleaseBIOD(&biod, 0, 0, 1);
return 0;
}
nbytes = nbytes_hi = 0;
if (SERVERHAS64BIT(connp)) {
+ call_was_64bit = 1;
+
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);
} else {
nbytes_hi = 0;
code = rxcallp->error;
- rx_EndCall(rxcallp, code);
+ code1 = rx_EndCall(rxcallp, code);
rxcallp = NULL;
}
}
+ } else {
+ call_was_64bit = 0;
}
if (code == RXGEN_OPCODE || !SERVERHAS64BIT(connp)) {
}
if (code == 0) {
- if (SERVERHAS64BIT(connp))
+ if (call_was_64bit)
code = EndRXAFS_FetchData64(rxcallp, &afsStatus, &callback, &volSync);
else
code = EndRXAFS_FetchData(rxcallp, &afsStatus, &callback, &volSync);
} else {
- if (SERVERHAS64BIT(connp))
+ if (call_was_64bit)
osi_Log1(afsd_logp, "CALL EndRXAFS_FetchData64 skipped due to error %d", code);
else
osi_Log1(afsd_logp, "CALL EndRXAFS_FetchData skipped due to error %d", code);
}
if (rxcallp)
- code = rx_EndCall(rxcallp, code);
+ code1 = rx_EndCall(rxcallp, code);
- if (code == RXKADUNKNOWNKEY)
+ if (code1 == RXKADUNKNOWNKEY)
osi_Log0(afsd_logp, "CALL EndCall returns RXKADUNKNOWNKEY");
+ /* Prefer the error value from FetchData over rx_EndCall */
+ if (code == 0 && code1 != 0)
+ code = code1;
osi_Log0(afsd_logp, "CALL FetchData DONE");
} while (cm_Analyze(connp, userp, reqp, &scp->fid, &volSync, NULL, NULL, code));
}
/* release scatter/gather I/O structure (buffers, locks) */
- lock_ReleaseWrite(&scp->rw);
- cm_ReleaseBIOD(&biod, 0, code);
- lock_ObtainWrite(&scp->rw);
+ cm_ReleaseBIOD(&biod, 0, code, 1);
if (code == 0)
- cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, 0);
+ cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, reqp, 0);
return code;
}
git://git.openafs.org / openafs.git / blobdiff