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authorJavier González <javier@javigon.com>2018-10-09 13:11:57 +0200
committerJens Axboe <axboe@kernel.dk>2018-10-09 08:25:07 -0600
commit63dee3a6c39a5bfa5f299ebb314f2e3e0273092b (patch)
treea27e58c5925b271de2fd70e09f4b75819cbd2c88 /drivers/lightnvm
parent7f985f9a691dc25ddcfc9dc7ff21199f5ee1569c (diff)
downloadlinux-63dee3a6c39a5bfa5f299ebb314f2e3e0273092b.tar.gz
lightnvm: pblk: calculate line pad distance in helper
If a line is padded, calculate the pad distance directly on the helper
being used for this purpose.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-recovery.c13
-rw-r--r--drivers/lightnvm/pblk.h8
2 files changed, 10 insertions, 11 deletions
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 0322ab915ddc..8036c3eb6372 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -380,6 +380,15 @@ fail_free_pad:
 	return ret;
 }
 
+static int pblk_pad_distance(struct pblk *pblk, struct pblk_line *line)
+{
+	struct nvm_tgt_dev *dev = pblk->dev;
+	struct nvm_geo *geo = &dev->geo;
+	int distance = geo->mw_cunits * geo->all_luns * geo->ws_opt;
+
+	return (distance > line->left_msecs) ? line->left_msecs : distance;
+}
+
 /* When this function is called, it means that not all upper pages have been
  * written in a page that contains valid data. In order to recover this data, we
  * first find the write pointer on the device, then we pad all necessary
@@ -495,9 +504,7 @@ next_rq:
 		line->left_msecs += nr_error_bits;
 		bitmap_clear(line->map_bitmap, line->cur_sec, nr_error_bits);
 
-		pad_secs = pblk_pad_distance(pblk);
-		if (pad_secs > line->left_msecs)
-			pad_secs = line->left_msecs;
+		pad_secs = pblk_pad_distance(pblk, line);
 
 		ret = pblk_recov_pad_oob(pblk, line, pad_secs);
 		if (ret)
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index a2cc581951ef..d123cff82589 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -986,14 +986,6 @@ static inline int pblk_line_vsc(struct pblk_line *line)
 	return le32_to_cpu(*line->vsc);
 }
 
-static inline int pblk_pad_distance(struct pblk *pblk)
-{
-	struct nvm_tgt_dev *dev = pblk->dev;
-	struct nvm_geo *geo = &dev->geo;
-
-	return geo->mw_cunits * geo->all_luns * geo->ws_opt;
-}
-
 static inline int pblk_ppa_to_line_id(struct ppa_addr p)
 {
 	return p.a.blk;