From: Matias Bjørling Date: Tue, 9 Oct 2018 11:11:38 +0000 (+0200) Subject: lightnvm: pblk: fix incorrect min_write_pgs X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8bbd45d02a118cbefdf4e1a6274bd965a6aa3c59;p=linux.git lightnvm: pblk: fix incorrect min_write_pgs The calculation of pblk->min_write_pgs should only use the optimal write size attribute provided by the drive, it does not correlate to the memory page size of the system, which can be smaller or larger than the LBA size reported. Signed-off-by: Matias Bjørling Reviewed-by: Javier González Signed-off-by: Jens Axboe --- diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index 9119c64d6f622..8adc8ac8b03ca 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -371,7 +371,7 @@ static int pblk_core_init(struct pblk *pblk) atomic64_set(&pblk->nr_flush, 0); pblk->nr_flush_rst = 0; - pblk->min_write_pgs = geo->ws_opt * (geo->csecs / PAGE_SIZE); + pblk->min_write_pgs = geo->ws_opt; max_write_ppas = pblk->min_write_pgs * geo->all_luns; pblk->max_write_pgs = min_t(int, max_write_ppas, NVM_MAX_VLBA); pblk_set_sec_per_write(pblk, pblk->min_write_pgs);