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Code Issues Releases Wiki Activity

Remove flushed work in bfl scanwork from the hash table.

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This commit is contained in:
Con Kolivas 2013-04-26 20:07:43 +10:00
parent 11baa32792
commit f1624e13a9
1 changed files with 13 additions and 16 deletions
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27
driver-bflsc.c
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@ -1511,7 +1511,7 @@ static int64_t bflsc_scanwork(struct thr_info *thr)
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_file); struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_file);
int64_t ret, unsent; int64_t ret, unsent;
bool flushed, cleanup; bool flushed, cleanup;
struct work *work, *tmp, *flush; struct work *work, *tmp;
int dev; int dev;
// Device is gone // Device is gone
@ -1537,29 +1537,26 @@ static int64_t bflsc_scanwork(struct thr_info *thr)
if (sc_info->sc_devs[dev].result_id > (sc_info->sc_devs[dev].flush_id + 1)) if (sc_info->sc_devs[dev].result_id > (sc_info->sc_devs[dev].flush_id + 1))
cleanup = true; cleanup = true;
} }
wr_unlock(&(sc_info->stat_lock));
// yes remove the flushed work that can be removed // yes remove the flushed work that can be removed
if (cleanup) { if (cleanup) {
// one lock per item - TODO: need a better way to do this? wr_lock(&bflsc->qlock);
do {
flush = NULL;
rd_lock(&bflsc->qlock);
HASH_ITER(hh, bflsc->queued_work, work, tmp) { HASH_ITER(hh, bflsc->queued_work, work, tmp) {
if (work->devflag && work->subid == dev) if (work->devflag && work->subid == dev) {
flush = work; bflsc->queued_count--;
HASH_DEL(bflsc->queued_work, work);
discard_work(work);
} }
}
wr_unlock(&bflsc->qlock);
rd_unlock(&bflsc->qlock); wr_lock(&(sc_info->stat_lock));
if (flush)
discard_work(flush);
} while (flush);
sc_info->sc_devs[dev].flushed = false; sc_info->sc_devs[dev].flushed = false;
}
wr_unlock(&(sc_info->stat_lock)); wr_unlock(&(sc_info->stat_lock));
} }
} }
}
// avoid a hard loop // avoid a hard loop
if (sc_info->scan_sleep_time > 0) if (sc_info->scan_sleep_time > 0)