statusp->Mask = mask;
}
+int
+cm_IsSpaceAvailable(cm_fid_t * fidp, osi_hyper_t *sizep, cm_user_t *userp, cm_req_t *reqp)
+{
+ int spaceAvail = 1;
+ afs_uint32 code;
+ cm_conn_t *connp;
+ struct rx_connection * rxconnp;
+ AFSFetchVolumeStatus volStat;
+ cm_volume_t *volp = NULL;
+ afs_uint32 volType;
+ char *Name;
+ char *OfflineMsg;
+ char *MOTD;
+ char volName[32]="(unknown)";
+ char offLineMsg[256]="server temporarily inaccessible";
+ char motd[256]="server temporarily inaccessible";
+ osi_hyper_t freespace;
+
+ if (fidp->cell==AFS_FAKE_ROOT_CELL_ID &&
+ fidp->volume==AFS_FAKE_ROOT_VOL_ID)
+ {
+ goto _done;
+ }
+
+ volp = cm_GetVolumeByFID(fidp);
+ if (!volp) {
+ spaceAvail = 0;
+ goto _done;
+ }
+ volType = cm_VolumeType(volp, fidp->volume);
+ if (volType == ROVOL || volType == BACKVOL) {
+ spaceAvail = 0;
+ goto _done;
+ }
+
+ Name = volName;
+ OfflineMsg = offLineMsg;
+ MOTD = motd;
+
+ do {
+ code = cm_ConnFromFID(fidp, userp, reqp, &connp);
+ if (code) continue;
+
+ rxconnp = cm_GetRxConn(connp);
+ code = RXAFS_GetVolumeStatus(rxconnp, fidp->volume,
+ &volStat, &Name, &OfflineMsg, &MOTD);
+ rx_PutConnection(rxconnp);
+
+ } while (cm_Analyze(connp, userp, reqp, fidp, 0, NULL, NULL, NULL, code));
+ code = cm_MapRPCError(code, reqp);
+ if (code == 0) {
+ if (volStat.MaxQuota) {
+ freespace.QuadPart = 1024 * (afs_int64)min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
+ } else {
+ freespace.QuadPart = 1024 * (afs_int64)volStat.PartBlocksAvail;
+ }
+ spaceAvail = LargeIntegerGreaterThanOrEqualTo(freespace, *sizep);
+ }
+ /* the rpc failed, assume there is space and we can fail it later. */
+
+ _done:
+ if (volp)
+ cm_PutVolume(volp);
+
+ return spaceAvail;
+}
+
/* set the file size, and make sure that all relevant buffers have been
* truncated. Ensure that any partially truncated buffers have been zeroed
* to the end of the buffer.
}
else if (LargeIntegerGreaterThan(*sizep, scp->length)) {
/* really extending the file */
- scp->length = *sizep;
- scp->mask |= CM_SCACHEMASK_LENGTH;
+ /* Check to see if we have sufficient quota */
+ if (cm_IsSpaceAvailable(&scp->fid, sizep, userp, reqp)) {
+ scp->length = *sizep;
+ scp->mask |= CM_SCACHEMASK_LENGTH;
+ } else {
+ code = CM_ERROR_SPACE;
+ goto syncopdone;
+ }
}
/* done successfully */
code = 0;
+ syncopdone:
cm_SyncOpDone(scp, NULL,
CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS
| CM_SCACHESYNC_SETSTATUS | CM_SCACHESYNC_SETSIZE);