bsd/hfs/hfs_hotfiles.c

164 	hotfile_data_t *hotdata;
266 	MALLOC(hotdata, hotfile_data_t *, size, M_TEMP, M_WAITOK);
267 	if (hotdata == NULL) {
274 	bzero(hotdata, size);
277 		hotdata->entries[i-1].right = &hotdata->entries[i];
279 	hotdata->freelist = &hotdata->entries[0];
283 	hotdata->threshold = HFC_MINIMUM_TEMPERATURE;
284 	hotdata->maxblocks = HFC_MAXIMUM_FILESIZE / HFSTOVCB(hfsmp)->blockSize;
285 	hotdata->hfsmp = hfsmp;
287 	hfsmp->hfc_recdata = hotdata;
301 	hotfile_data_t *hotdata;
324 	hotdata = (hotfile_data_t *)hfsmp->hfc_recdata;
325 	if (hotdata == NULL)
332 	printf("hfs:   curentries: %d\n", hotdata->activefiles);
337 	if (hotdata->rootentry == NULL) {
365 	size += sizeof(hotfileinfo_t) * (hotdata->activefiles - 1);
376 	hf_getsortedlist(hotdata, listp);	/* NOTE: destroys hot file tree! */
421 	FREE(hotdata, M_TEMP);
435 	hotfile_data_t *hotdata = NULL;
451 	hotdata = (hotfile_data_t *)hfsmp->hfc_recdata;
452 	if (hotdata == NULL || hfsmp->hfc_stage != HFC_RECORDING) {
482 	hotfileinfo.threshold   = SWAP_BE32 (hotdata->threshold);
483 	hotfileinfo.maxfileblks = SWAP_BE32 (hotdata->maxblocks);
498 	if (hotdata) {
499 		FREE(hotdata, M_TEMP);
784 	hotfile_data_t *hotdata;
802 	if ((hotdata = (hotfile_data_t *)hfsmp->hfc_recdata) == NULL) {
811 	    (ffp->ff_blocks > hotdata->maxblocks) ||
819 	if (temperature < hotdata->threshold) {
827 	if ((hotdata->activefiles < hfsmp->hfc_maxfiles) ||
828 	    (hotdata->coldest == NULL) ||
829 	    (temperature > hotdata->coldest->temperature)) {
830 		++hotdata->refcount;
831 		entry = hf_getnewentry(hotdata);
835 		hf_insert(hotdata, entry);
836 		--hotdata->refcount;
855 	hotfile_data_t *hotdata;
880 	if ((hotdata = (hotfile_data_t *)hfsmp->hfc_recdata) == NULL)
884 	if (temperature < hotdata->threshold)
887 	if (hotdata->coldest && (temperature >= hotdata->coldest->temperature)) {
888 		++hotdata->refcount;
889 		hf_delete(hotdata, VTOC(vp)->c_fileid, temperature);
890 		--hotdata->refcount;
2013 hf_lookup(hotfile_data_t *hotdata, u_int32_t fileid, u_int32_t temperature)
2015 	hotfile_entry_t *entry = hotdata->rootentry;
2038 hf_insert(hotfile_data_t *hotdata, hotfile_entry_t *newentry)
2040 	hotfile_entry_t *entry = hotdata->rootentry;
2045 		hotdata->rootentry = newentry;
2046 		hotdata->coldest = newentry;
2047 		hotdata->activefiles++;
2085 	hotdata->activefiles++;
2092 hf_coldest(hotfile_data_t *hotdata)
2094 	hotfile_entry_t *entry = hotdata->rootentry;
2107 hf_hottest(hotfile_data_t *hotdata)
2109 	hotfile_entry_t *entry = hotdata->rootentry;
2122 hf_delete(hotfile_data_t *hotdata, u_int32_t fileid, u_int32_t temperature)
2127 	entry = hotdata->rootentry;
2172 			hotdata->rootentry = next;
2183 		entry->right = hotdata->freelist;
2184 		hotdata->freelist = entry;
2185 		hotdata->activefiles--;
2187 		if (hotdata->coldest == entry || hotdata->coldest == NULL) {
2188 			hotdata->coldest = hf_coldest(hotdata);
2198 hf_getnewentry(hotfile_data_t *hotdata)
2205 	if (hotdata->freelist == NULL) {
2206 		entry = hf_coldest(hotdata);
2207 		hf_delete(hotdata, entry->fileid, entry->temperature);
2209 	entry = hotdata->freelist;
2210 	hotdata->freelist = entry->right;
2224 hf_getsortedlist(hotfile_data_t * hotdata, hotfilelist_t *sortedlist)
2229 	while ((entry = hf_hottest(hotdata)) != NULL) {
2236 		hf_delete(hotdata, entry->fileid, entry->temperature);