Merge tag 'for-4.18/block-20180603' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - clean up how we pass around gfp_t and
   blk_mq_req_flags_t (Christoph)

 - prepare us to defer scheduler attach (Christoph)

 - clean up drivers handling of bounce buffers (Christoph)

 - fix timeout handling corner cases (Christoph/Bart/Keith)

 - bcache fixes (Coly)

 - prep work for bcachefs and some block layer optimizations (Kent).

 - convert users of bio_sets to using embedded structs (Kent).

 - fixes for the BFQ io scheduler (Paolo/Davide/Filippo)

 - lightnvm fixes and improvements (Matias, with contributions from Hans
   and Javier)

 - adding discard throttling to blk-wbt (me)

 - sbitmap blk-mq-tag handling (me/Omar/Ming).

 - remove the sparc jsflash block driver, acked by DaveM.

 - Kyber scheduler improvement from Jianchao, making it more friendly
   wrt merging.

 - conversion of symbolic proc permissions to octal, from Joe Perches.
   Previously the block parts were a mix of both.

 - nbd fixes (Josef and Kevin Vigor)

 - unify how we handle the various kinds of timestamps that the block
   core and utility code uses (Omar)

 - three NVMe pull requests from Keith and Christoph, bringing AEN to
   feature completeness, file backed namespaces, cq/sq lock split, and
   various fixes

 - various little fixes and improvements all over the map

* tag 'for-4.18/block-20180603' of git://git.kernel.dk/linux-block: (196 commits)
  blk-mq: update nr_requests when switching to 'none' scheduler
  block: don't use blocking queue entered for recursive bio submits
  dm-crypt: fix warning in shutdown path
  lightnvm: pblk: take bitmap alloc. out of critical section
  lightnvm: pblk: kick writer on new flush points
  lightnvm: pblk: only try to recover lines with written smeta
  lightnvm: pblk: remove unnecessary bio_get/put
  lightnvm: pblk: add possibility to set write buffer size manually
  lightnvm: fix partial read error path
  lightnvm: proper error handling for pblk_bio_add_pages
  lightnvm: pblk: fix smeta write error path
  lightnvm: pblk: garbage collect lines with failed writes
  lightnvm: pblk: rework write error recovery path
  lightnvm: pblk: remove dead function
  lightnvm: pass flag on graceful teardown to targets
  lightnvm: pblk: check for chunk size before allocating it
  lightnvm: pblk: remove unnecessary argument
  lightnvm: pblk: remove unnecessary indirection
  lightnvm: pblk: return NVM_ error on failed submission
  lightnvm: pblk: warn in case of corrupted write buffer
  ...

1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 514fb4aec5d1..fc68c7aaef8e 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -142,7 +142,7 @@ struct dm_integrity_c {
 	unsigned tag_size;
 	__s8 log2_tag_size;
 	sector_t start;
-	mempool_t *journal_io_mempool;
+	mempool_t journal_io_mempool;
 	struct dm_io_client *io;
 	struct dm_bufio_client *bufio;
 	struct workqueue_struct *metadata_wq;
@@ -1817,7 +1817,7 @@ static void complete_copy_from_journal(unsigned long error, void *context)
 	struct journal_completion *comp = io->comp;
 	struct dm_integrity_c *ic = comp->ic;
 	remove_range(ic, &io->range);
-	mempool_free(io, ic->journal_io_mempool);
+	mempool_free(io, &ic->journal_io_mempool);
 	if (unlikely(error != 0))
 		dm_integrity_io_error(ic, "copying from journal", -EIO);
 	complete_journal_op(comp);
@@ -1886,7 +1886,7 @@ static void do_journal_write(struct dm_integrity_c *ic, unsigned write_start,
 			}
 			next_loop = k - 1;
 
-			io = mempool_alloc(ic->journal_io_mempool, GFP_NOIO);
+			io = mempool_alloc(&ic->journal_io_mempool, GFP_NOIO);
 			io->comp = ∁
 			io->range.logical_sector = sec;
 			io->range.n_sectors = (k - j) << ic->sb->log2_sectors_per_block;
@@ -1918,7 +1918,7 @@ static void do_journal_write(struct dm_integrity_c *ic, unsigned write_start,
 				if (j == k) {
 					remove_range_unlocked(ic, &io->range);
 					spin_unlock_irq(&ic->endio_wait.lock);
-					mempool_free(io, ic->journal_io_mempool);
+					mempool_free(io, &ic->journal_io_mempool);
 					goto skip_io;
 				}
 				for (l = j; l < k; l++) {
@@ -2980,9 +2980,8 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
 		goto bad;
 	}
 
-	ic->journal_io_mempool = mempool_create_slab_pool(JOURNAL_IO_MEMPOOL, journal_io_cache);
-	if (!ic->journal_io_mempool) {
-		r = -ENOMEM;
+	r = mempool_init_slab_pool(&ic->journal_io_mempool, JOURNAL_IO_MEMPOOL, journal_io_cache);
+	if (r) {
 		ti->error = "Cannot allocate mempool";
 		goto bad;
 	}
@@ -3196,7 +3195,7 @@ static void dm_integrity_dtr(struct dm_target *ti)
 		destroy_workqueue(ic->writer_wq);
 	if (ic->bufio)
 		dm_bufio_client_destroy(ic->bufio);
-	mempool_destroy(ic->journal_io_mempool);
+	mempool_exit(&ic->journal_io_mempool);
 	if (ic->io)
 		dm_io_client_destroy(ic->io);
 	if (ic->dev)