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[28/28] lightnvm: reserved space calculation incorrect

Message ID 1462557801-24974-29-git-send-email-m@bjorling.me (mailing list archive)
State New, archived
Headers show

Commit Message

Matias Bjørling May 6, 2016, 6:03 p.m. UTC 
From: Javier González <jg@lightnvm.io>

The nvm_dev->max_pages_per_blk variable was removed in favor of the new
nvm->sec_per_blk variable. The ->max_pages_per_blk variable was still
used in rrpc_capacity, reporting the reserved capacity to zero. Replace
with ->sec_per_blk to calculate the reserved area again.

Signed-off-by: Javier González <javier@cnexlabs.com>
Updated patch description. Was "lightnvm: eliminate redundant variable"
Signed-off-by: Matias Bjørling <m@bjorling.me>
---
 drivers/lightnvm/rrpc.c  | 2 +-
 include/linux/lightnvm.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 72aca96..2103e97 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -1264,7 +1264,7 @@  static sector_t rrpc_capacity(void *private)
 	sector_t reserved, provisioned;
 
 	/* cur, gc, and two emergency blocks for each lun */
-	reserved = rrpc->nr_luns * dev->max_pages_per_blk * 4;
+	reserved = rrpc->nr_luns * dev->sec_per_blk * 4;
 	provisioned = rrpc->nr_sects - reserved;
 
 	if (reserved > rrpc->nr_sects) {
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index b2991c7..ef2c7d2 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -351,7 +351,6 @@  struct nvm_dev {
 	unsigned long total_blocks;
 	unsigned long total_secs;
 	int nr_luns;
-	unsigned max_pages_per_blk;
 
 	unsigned long *lun_map;
 	void *dma_pool;