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lightnvm: pblk: fix incorrect min_write_pgs

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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 <mb@lightnvm.io>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Matias Bjørling 2018-10-09 13:11:38 +02:00 committed by Jens Axboe
parent afdc23c91e
commit 8bbd45d02a
1 changed files with 1 additions and 1 deletions
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2
drivers/lightnvm/pblk-init.c
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@ -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);