lightnvm: pblk: delete redundant buffer pointer

After refactoring the metadata path, the backpointer controlling
synced I/Os in a line becomes unnecessary; metadata is scheduled
on the write thread, thus we know when the end of the line is reached
and act on it directly.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 12 deletions

diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
index 1739c970692e..a29a34786ac5 100644
--- a/drivers/lightnvm/pblk-write.c
+++ b/drivers/lightnvm/pblk-write.c
@@ -17,16 +17,6 @@
 
 #include "pblk.h"
 
-static void pblk_sync_line(struct pblk *pblk, struct pblk_line *line)
-{
-#ifdef CONFIG_NVM_DEBUG
-        atomic_long_inc(&pblk->sync_writes);
-#endif
-
-        /* Counter protected by rb sync lock */
-        line->left_ssecs--;
-}
-
 static unsigned long pblk_end_w_bio(struct pblk *pblk, struct nvm_rq *rqd,
                                     struct pblk_c_ctx *c_ctx)
 {
@@ -44,14 +34,13 @@ static unsigned long pblk_end_w_bio(struct pblk *pblk, struct nvm_rq *rqd,
 
                 p = rqd->ppa_list[i];
                 line = &pblk->lines[pblk_dev_ppa_to_line(p)];
-                pblk_sync_line(pblk, line);
 
                 while ((original_bio = bio_list_pop(&w_ctx->bios)))
                         bio_endio(original_bio);
         }
 
 #ifdef CONFIG_NVM_DEBUG
-        atomic_long_add(c_ctx->nr_valid, &pblk->compl_writes);
+        atomic_long_add(c_ctx->nr_valid, &pblk->sync_writes);
 #endif
 
         ret = pblk_rb_sync_advance(&pblk->rwb, c_ctx->nr_valid);