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Linux 5.1-rc6

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Merge tag 'v5.1-rc6' into for-5.2/block

Pull in v5.1-rc6 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-rc6': (770 commits)
  Linux 5.1-rc6
  block: make sure that bvec length can't be overflow
  block: kill all_q_node in request_queue
  x86/cpu/intel: Lower the "ENERGY_PERF_BIAS: Set to normal" message's log priority
  coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
  mm/kmemleak.c: fix unused-function warning
  init: initialize jump labels before command line option parsing
  kernel/watchdog_hld.c: hard lockup message should end with a newline
  kcov: improve CONFIG_ARCH_HAS_KCOV help text
  mm: fix inactive list balancing between NUMA nodes and cgroups
  mm/hotplug: treat CMA pages as unmovable
  proc: fixup proc-pid-vm test
  proc: fix map_files test on F29
  mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n
  mm/memory_hotplug: do not unlock after failing to take the device_hotplug_lock
  mm: swapoff: shmem_unuse() stop eviction without igrab()
  mm: swapoff: take notice of completion sooner
  mm: swapoff: remove too limiting SWAP_UNUSE_MAX_TRIES
  mm: swapoff: shmem_find_swap_entries() filter out other types
  slab: store tagged freelist for off-slab slabmgmt
  ...

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2019-04-22 09:47:36 -06:00
commit 5c61ee2cd5
777 changed files with 8124 additions and 4471 deletions
Download patch file Download diff file Expand all files Collapse all files

24
include/linux/bvec.h
View file

@ -140,26 +140,38 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv,
static inline struct bio_vec *bvec_init_iter_all(struct bvec_iter_all *iter_all)
{
iter_all->bv.bv_page = NULL;
iter_all->done = 0;
iter_all->idx = 0;
return &iter_all->bv;
}
static inline void mp_bvec_next_segment(const struct bio_vec *bvec,
struct bvec_iter_all *iter_all)
static inline struct page *bvec_nth_page(struct page *page, int idx)
{
return idx == 0 ? page : nth_page(page, idx);
}
static inline void bvec_advance(const struct bio_vec *bvec,
struct bvec_iter_all *iter_all)
{
struct bio_vec *bv = &iter_all->bv;
if (bv->bv_page) {
if (iter_all->done) {
bv->bv_page++;
bv->bv_offset = 0;
} else {
bv->bv_page = bvec->bv_page;
bv->bv_offset = bvec->bv_offset;
bv->bv_page = bvec_nth_page(bvec->bv_page, bvec->bv_offset /
PAGE_SIZE);
bv->bv_offset = bvec->bv_offset & ~PAGE_MASK;
}
bv->bv_len = min_t(unsigned int, PAGE_SIZE - bv->bv_offset,
bvec->bv_len - iter_all->done);
iter_all->done += bv->bv_len;
if (iter_all->done == bvec->bv_len) {
iter_all->idx++;
iter_all->done = 0;
}
}
/*