pages = si.totalram - si.totalhigh;
lru_page_max = pages / 2;
+ sbi->ll_ra_info.ra_async_max_active = 0;
+ sbi->ll_ra_info.ll_readahead_wq =
+ alloc_workqueue("ll-readahead-wq", WQ_UNBOUND,
+ sbi->ll_ra_info.ra_async_max_active);
+ if (!sbi->ll_ra_info.ll_readahead_wq)
+ GOTO(out_pcc, rc = -ENOMEM);
+
/* initialize ll_cache data */
sbi->ll_cache = cl_cache_init(lru_page_max);
if (sbi->ll_cache == NULL)
- GOTO(out_pcc, rc = -ENOMEM);
+ GOTO(out_destroy_ra, rc = -ENOMEM);
sbi->ll_ra_info.ra_max_pages_per_file = min(pages / 32,
SBI_DEFAULT_READAHEAD_MAX);
+ sbi->ll_ra_info.ra_async_pages_per_file_threshold =
+ sbi->ll_ra_info.ra_max_pages_per_file;
sbi->ll_ra_info.ra_max_pages = sbi->ll_ra_info.ra_max_pages_per_file;
sbi->ll_ra_info.ra_max_read_ahead_whole_pages = -1;
sbi->ll_heat_decay_weight = SBI_DEFAULT_HEAT_DECAY_WEIGHT;
sbi->ll_heat_period_second = SBI_DEFAULT_HEAT_PERIOD_SECOND;
RETURN(sbi);
+out_destroy_ra:
+ destroy_workqueue(sbi->ll_ra_info.ll_readahead_wq);
out_pcc:
pcc_super_fini(&sbi->ll_pcc_super);
out_sbi:
if (sbi != NULL) {
if (!list_empty(&sbi->ll_squash.rsi_nosquash_nids))
cfs_free_nidlist(&sbi->ll_squash.rsi_nosquash_nids);
+ if (sbi->ll_ra_info.ll_readahead_wq)
+ destroy_workqueue(sbi->ll_ra_info.ll_readahead_wq);
if (sbi->ll_cache != NULL) {
cl_cache_decref(sbi->ll_cache);
sbi->ll_cache = NULL;