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 <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -93,7 +93,7 @@ static int pblk_gc_move_valid_secs(struct pblk *pblk, struct pblk_gc_rq *gc_rq)
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retry:
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spin_lock(&gc->w_lock);
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if (gc->w_entries >= PBLK_GC_W_QD) {
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if (gc->w_entries >= PBLK_GC_RQ_QD) {
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spin_unlock(&gc->w_lock);
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pblk_gc_writer_kick(&pblk->gc);
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usleep_range(128, 256);
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@ -602,7 +602,7 @@ int pblk_gc_init(struct pblk *pblk)
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spin_lock_init(&gc->w_lock);
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spin_lock_init(&gc->r_lock);
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sema_init(&gc->gc_sem, 128);
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sema_init(&gc->gc_sem, PBLK_GC_RQ_QD);
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INIT_LIST_HEAD(&gc->w_list);
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INIT_LIST_HEAD(&gc->r_list);
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@ -816,7 +816,7 @@ int pblk_recov_setup_rq(struct pblk *pblk, struct pblk_c_ctx *c_ctx,
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* pblk gc
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*/
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#define PBLK_GC_MAX_READERS 8 /* Max number of outstanding GC reader jobs */
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#define PBLK_GC_W_QD 128 /* Queue depth for inflight GC write I/Os */
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#define PBLK_GC_RQ_QD 128 /* Queue depth for inflight GC requests */
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#define PBLK_GC_L_QD 4 /* Queue depth for inflight GC lines */
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#define PBLK_GC_RSV_LINE 1 /* Reserved lines for GC */
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