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Groups > linux.kernel > #1525416

[PATCH 09/20] lightnvm: remove unnecessary variables in rrpc

From "Javier González" <jg@lightnvm.io>
Newsgroups linux.kernel
Subject [PATCH 09/20] lightnvm: remove unnecessary variables in rrpc
Date 2016-11-18 15:50 +0100
Message-ID <sESEi-8qT-39@gated-at.bofh.it> (permalink)
References <sESEh-8qT-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Before vectored I/Os were supported on rrpc, the physical address was
stored as part of the nvm_rqd request. This variable become obsolete
when the ppa_list was introduced. Cleanup this variable.

Signed-off-by: Javier González <javier@cnexlabs.com>
---
 drivers/lightnvm/rrpc.c | 6 ------
 drivers/lightnvm/rrpc.h | 3 ---
 2 files changed, 9 deletions(-)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 9253acc..34d2ebf 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -758,7 +758,6 @@ static int rrpc_read_ppalist_rq(struct rrpc *rrpc, struct bio *bio,
 static int rrpc_read_rq(struct rrpc *rrpc, struct bio *bio, struct nvm_rq *rqd,
 							unsigned long flags)
 {
-	struct rrpc_rq *rrqd = nvm_rq_to_pdu(rqd);
 	int is_gc = flags & NVM_IOTYPE_GC;
 	sector_t laddr = rrpc_get_laddr(bio);
 	struct rrpc_addr *gp;
@@ -778,7 +777,6 @@ static int rrpc_read_rq(struct rrpc *rrpc, struct bio *bio, struct nvm_rq *rqd,
 	}
 
 	rqd->opcode = NVM_OP_HBREAD;
-	rrqd->addr = gp;
 
 	return NVM_IO_OK;
 }
@@ -821,7 +819,6 @@ static int rrpc_write_ppalist_rq(struct rrpc *rrpc, struct bio *bio,
 static int rrpc_write_rq(struct rrpc *rrpc, struct bio *bio,
 				struct nvm_rq *rqd, unsigned long flags)
 {
-	struct rrpc_rq *rrqd = nvm_rq_to_pdu(rqd);
 	struct rrpc_addr *p;
 	int is_gc = flags & NVM_IOTYPE_GC;
 	sector_t laddr = rrpc_get_laddr(bio);
@@ -839,7 +836,6 @@ static int rrpc_write_rq(struct rrpc *rrpc, struct bio *bio,
 
 	rqd->ppa_addr = rrpc_ppa_to_gaddr(rrpc->dev, p->addr);
 	rqd->opcode = NVM_OP_HBWRITE;
-	rrqd->addr = p;
 
 	return NVM_IO_OK;
 }
@@ -1389,7 +1385,6 @@ static void *rrpc_init(struct nvm_dev *dev, struct gendisk *tdisk,
 	INIT_WORK(&rrpc->ws_requeue, rrpc_requeue);
 
 	rrpc->nr_luns = lun_end - lun_begin + 1;
-	rrpc->total_blocks = (unsigned long)dev->blks_per_lun * rrpc->nr_luns;
 	rrpc->nr_sects = (unsigned long long)dev->sec_per_lun * rrpc->nr_luns;
 
 	/* simple round-robin strategy */
@@ -1409,7 +1404,6 @@ static void *rrpc_init(struct nvm_dev *dev, struct gendisk *tdisk,
 	}
 
 	rrpc->poffset = dev->sec_per_lun * lun_begin;
-	rrpc->lun_offset = lun_begin;
 
 	ret = rrpc_core_init(rrpc);
 	if (ret) {
diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h
index 5e87d52..bed49ba 100644
--- a/drivers/lightnvm/rrpc.h
+++ b/drivers/lightnvm/rrpc.h
@@ -48,7 +48,6 @@ struct rrpc_inflight_rq {
 
 struct rrpc_rq {
 	struct rrpc_inflight_rq inflight_rq;
-	struct rrpc_addr *addr;
 	unsigned long flags;
 };
 
@@ -92,14 +91,12 @@ struct rrpc {
 
 	sector_t soffset; /* logical sector offset */
 	u64 poffset; /* physical page offset */
-	int lun_offset;
 
 	int nr_luns;
 	struct rrpc_lun *luns;
 
 	/* calculated values */
 	unsigned long long nr_sects;
-	unsigned long total_blocks;
 
 	/* Write strategy variables. Move these into each for structure for each
 	 * strategy
-- 
2.7.4

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Thread

[PATCH 00/20] lightnvm: simplify media manager "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 10/20] lightnvm: use constant name instead of value "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 08/20] lightnvm: make address conversion functions global "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 09/20] lightnvm: remove unnecessary variables in rrpc "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 20/20] lightnvm: use target nvm on target-specific ops. "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 17/20] lightnvm: eliminate nvm_lun abstraction in mm "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 16/20] lightnvm: eliminate nvm_block abstraction on mm "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
    Re: [PATCH 16/20] lightnvm: eliminate nvm_block abstraction on mm kbuild test robot <lkp@intel.com> - 2016-11-18 19:50 +0100
  [PATCH 18/20] lightnvm: introduce helpers for generic ops in rrpc "Javier González" <jg@lightnvm.io> - 2016-11-18 15:50 +0100
  [PATCH 03/20] lightnvm: export set bad block table "Javier González" <jg@lightnvm.io> - 2016-11-18 16:00 +0100
  [PATCH 02/20] lightnvm: do not protect block 0 "Javier González" <jg@lightnvm.io> - 2016-11-18 16:00 +0100
  [PATCH 01/20] lightnvm: enable to send hint to erase command "Javier González" <jg@lightnvm.io> - 2016-11-18 16:00 +0100
  [PATCH 19/20] lightnvm: introduce max_phys_sects helper function "Javier González" <jg@lightnvm.io> - 2016-11-18 16:00 +0100
  Re: [PATCH 00/20] lightnvm: simplify media manager Matias Bjørling <mb@lightnvm.io> - 2016-11-21 12:30 +0100

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