Merge tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block

Pull block layer updates from Jens Axboe:
 "It's a pretty quiet round this time, which is nice. This contains:

   - series from Bart, cleaning up the way we set/test/clear atomic
     queue flags.

   - series from Bart, fixing races between gendisk and queue
     registration and removal.

   - set of bcache fixes and improvements from various folks, by way of
     Michael Lyle.

   - set of lightnvm updates from Matias, most of it being the 1.2 to
     2.0 transition.

   - removal of unused DIO flags from Nikolay.

   - blk-mq/sbitmap memory ordering fixes from Omar.

   - divide-by-zero fix for BFQ from Paolo.

   - minor documentation patches from Randy.

   - timeout fix from Tejun.

   - Alpha "can't write a char atomically" fix from Mikulas.

   - set of NVMe fixes by way of Keith.

   - bsg and bsg-lib improvements from Christoph.

   - a few sed-opal fixes from Jonas.

   - cdrom check-disk-change deadlock fix from Maurizio.

   - various little fixes, comment fixes, etc from various folks"

* tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block: (139 commits)
  blk-mq: Directly schedule q->timeout_work when aborting a request
  blktrace: fix comment in blktrace_api.h
  lightnvm: remove function name in strings
  lightnvm: pblk: remove some unnecessary NULL checks
  lightnvm: pblk: don't recover unwritten lines
  lightnvm: pblk: implement 2.0 support
  lightnvm: pblk: implement get log report chunk
  lightnvm: pblk: rename ppaf* to addrf*
  lightnvm: pblk: check for supported version
  lightnvm: implement get log report chunk helpers
  lightnvm: make address conversions depend on generic device
  lightnvm: add support for 2.0 address format
  lightnvm: normalize geometry nomenclature
  lightnvm: complete geo structure with maxoc*
  lightnvm: add shorten OCSSD version in geo
  lightnvm: add minor version to generic geometry
  lightnvm: simplify geometry structure
  lightnvm: pblk: refactor init/exit sequences
  lightnvm: Avoid validation of default op value
  lightnvm: centralize permission check for lightnvm ioctl
  ...

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 3d899383666e..6851a5c67189 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -88,7 +88,7 @@ static void pblk_gc_line_ws(struct work_struct *work)
 
 	up(&gc->gc_sem);
 
-	gc_rq->data = vmalloc(gc_rq->nr_secs * geo->sec_size);
+	gc_rq->data = vmalloc(gc_rq->nr_secs * geo->csecs);
 	if (!gc_rq->data) {
 		pr_err("pblk: could not GC line:%d (%d/%d)\n",
 					line->id, *line->vsc, gc_rq->nr_secs);
@@ -147,10 +147,8 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work)
 	int ret;
 
 	invalid_bitmap = kmalloc(lm->sec_bitmap_len, GFP_KERNEL);
-	if (!invalid_bitmap) {
-		pr_err("pblk: could not allocate GC invalid bitmap\n");
+	if (!invalid_bitmap)
 		goto fail_free_ws;
-	}
 
 	emeta_buf = pblk_malloc(lm->emeta_len[0], l_mg->emeta_alloc_type,
 								GFP_KERNEL);
@@ -666,12 +664,10 @@ void pblk_gc_exit(struct pblk *pblk)
 		kthread_stop(gc->gc_reader_ts);
 
 	flush_workqueue(gc->gc_reader_wq);
-	if (gc->gc_reader_wq)
-		destroy_workqueue(gc->gc_reader_wq);
+	destroy_workqueue(gc->gc_reader_wq);
 
 	flush_workqueue(gc->gc_line_reader_wq);
-	if (gc->gc_line_reader_wq)
-		destroy_workqueue(gc->gc_line_reader_wq);
+	destroy_workqueue(gc->gc_line_reader_wq);
 
 	if (gc->gc_writer_ts)
 		kthread_stop(gc->gc_writer_ts);