Merge tag 'v5.1-rc5' into for-5.2/block

Pull in v5.1-rc5 to resolve two conflicts. One is in BFQ, in just
a comment, and is trivial. The other one is a conflict due to a
later fix in the bio multi-page work, and needs a bit more care.

* tag 'v5.1-rc5': (476 commits)
  Linux 5.1-rc5
  fs: prevent page refcount overflow in pipe_buf_get
  mm: prevent get_user_pages() from overflowing page refcount
  mm: add 'try_get_page()' helper function
  mm: make page ref count overflow check tighter and more explicit
  clk: imx: Fix PLL_1416X not rounding rates
  clk: mediatek: fix clk-gate flag setting
  arm64: futex: Fix FUTEX_WAKE_OP atomic ops with non-zero result value
  iommu/amd: Set exclusion range correctly
  clang-format: Update with the latest for_each macro list
  perf/core: Fix perf_event_disable_inatomic() race
  block: fix the return errno for direct IO
  Revert "SUNRPC: Micro-optimise when the task is known not to be sleeping"
  NFSv4.1 fix incorrect return value in copy_file_range
  xprtrdma: Fix helper that drains the transport
  NFS: Fix handling of reply page vector
  NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family.
  dma-debug: only skip one stackframe entry
  platform/x86: pmc_atom: Drop __initconst on dmi table
  nvmet: fix discover log page when offsets are used
  ...

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --cc block/bfq-iosched.c
index bcaa4bd,dfb8cb0..3d64e04
--- 1/block/bfq-iosched.c
--- 2/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@@ -3582,12 -3348,12 +3583,10 @@@ void bfq_bfqq_expire(struct bfq_data *b
         * reason.
         */
        __bfq_bfqq_recalc_budget(bfqd, bfqq, reason);
-       ref = bfqq->ref;
-       __bfq_bfqq_expire(bfqd, bfqq);
- 
-       if (ref == 1) /* bfqq is gone, no more actions on it */
+       if (__bfq_bfqq_expire(bfqd, bfqq))
+               /* bfqq is gone, no more actions on it */
                return;
  
 -      bfqq->injected_service = 0;
 -
        /* mark bfqq as waiting a request only if a bic still points to it */
        if (!bfq_bfqq_busy(bfqq) &&
            reason != BFQQE_BUDGET_TIMEOUT &&

diff --cc block/bfq-iosched.h
Simple merge

diff --cc block/bfq-wf2q.c
Simple merge

diff --cc block/bio.c
Simple merge

diff --cc drivers/block/paride/pcd.c
Simple merge

diff --cc drivers/block/paride/pf.c
Simple merge

diff --cc drivers/block/virtio_blk.c
Simple merge

diff --cc drivers/block/xsysace.c
Simple merge

diff --cc drivers/md/dm-integrity.c
Simple merge

diff --cc drivers/nvme/host/core.c
Simple merge

diff --cc include/linux/bio.h
Simple merge

diff --cc include/linux/bvec.h
index 44b0f46,3bc9187..3368e5b
--- 1/include/linux/bvec.h
--- 2/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@@ -151,8 -156,8 +151,8 @@@ static inline void bvec_advance(const s
  {
        struct bio_vec *bv = &iter_all->bv;
  
-       if (bv->bv_page) {
+       if (iter_all->done) {
 -              bv->bv_page = nth_page(bv->bv_page, 1);
 +              bv->bv_page++;
                bv->bv_offset = 0;
        } else {
                bv->bv_page = bvec->bv_page;

diff --cc include/linux/kernel.h
Simple merge