From: Javier González Date: Fri, 13 Oct 2017 12:46:11 +0000 (+0200) Subject: lightnvm: pblk: use constant for GC max inflight X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3627896a4b12ea6bb9e0ff77724a24f53726db2d;p=linux.git lightnvm: pblk: use constant for GC max inflight Use a constant to set the maximum number of inflight GC requests allowed. Signed-off-by: Javier González Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c index f163829ecca82..c21b2077432a0 100644 --- a/drivers/lightnvm/pblk-gc.c +++ b/drivers/lightnvm/pblk-gc.c @@ -93,7 +93,7 @@ static int pblk_gc_move_valid_secs(struct pblk *pblk, struct pblk_gc_rq *gc_rq) retry: spin_lock(&gc->w_lock); - if (gc->w_entries >= PBLK_GC_W_QD) { + if (gc->w_entries >= PBLK_GC_RQ_QD) { spin_unlock(&gc->w_lock); pblk_gc_writer_kick(&pblk->gc); usleep_range(128, 256); @@ -602,7 +602,7 @@ int pblk_gc_init(struct pblk *pblk) spin_lock_init(&gc->w_lock); spin_lock_init(&gc->r_lock); - sema_init(&gc->gc_sem, 128); + sema_init(&gc->gc_sem, PBLK_GC_RQ_QD); INIT_LIST_HEAD(&gc->w_list); INIT_LIST_HEAD(&gc->r_list); diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index 60edcda0fc7f7..baa6a633990fa 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -816,7 +816,7 @@ int pblk_recov_setup_rq(struct pblk *pblk, struct pblk_c_ctx *c_ctx, * pblk gc */ #define PBLK_GC_MAX_READERS 8 /* Max number of outstanding GC reader jobs */ -#define PBLK_GC_W_QD 128 /* Queue depth for inflight GC write I/Os */ +#define PBLK_GC_RQ_QD 128 /* Queue depth for inflight GC requests */ #define PBLK_GC_L_QD 4 /* Queue depth for inflight GC lines */ #define PBLK_GC_RSV_LINE 1 /* Reserved lines for GC */