[git pull] vfs.git iov_iter pile

[Al Viro]

Minor conflicts with erofs branch; conflicting changes in this one
are all of form s/READ/ITER_DEST/ in iov_iter_xarray() calls.

The following changes since commit eb7081409f94a9a8608593d0fb63a1aa3d6f95d8:

  Linux 6.1-rc6 (2022-11-20 16:02:16 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git tags/pull-iov_iter

for you to fetch changes up to de4eda9de2d957ef2d6a8365a01e26a435e958cb:

  use less confusing names for iov_iter direction initializers (2022-11-25 13:01:55 -0500)

----------------------------------------------------------------
iov_iter work; most of that is about getting rid of
direction misannotations and (hopefully) preventing
more of the same for the future.

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

----------------------------------------------------------------
Al Viro (12):
      get rid of unlikely() on page_copy_sane() calls
      csum_and_copy_to_iter(): handle ITER_DISCARD
      [s390] copy_oldmem_kernel() - WRITE is "data source", not destination
      [fsi] WRITE is "data source", not destination...
      [infiniband] READ is "data destination", not source...
      [s390] zcore: WRITE is "data source", not destination...
      [s390] memcpy_real(): WRITE is "data source", not destination...
      [target] fix iov_iter_bvec() "direction" argument
      [vhost] fix 'direction' argument of iov_iter_{init,bvec}()
      [xen] fix "direction" argument of iov_iter_kvec()
      iov_iter: saner checks for attempt to copy to/from iterator
      use less confusing names for iov_iter direction initializers

 arch/s390/kernel/crash_dump.c            |  2 +-
 arch/s390/mm/maccess.c                   |  2 +-
 arch/x86/kernel/cpu/microcode/intel.c    |  2 +-
 arch/x86/kernel/crash_dump_64.c          |  2 +-
 crypto/testmgr.c                         |  4 +--
 drivers/acpi/pfr_update.c                |  2 +-
 drivers/block/drbd/drbd_main.c           |  2 +-
 drivers/block/drbd/drbd_receiver.c       |  2 +-
 drivers/block/loop.c                     | 12 ++++----
 drivers/block/nbd.c                      | 10 +++----
 drivers/char/random.c                    |  4 +--
 drivers/fsi/fsi-sbefifo.c                |  6 ++--
 drivers/infiniband/ulp/rtrs/rtrs-clt.c   |  2 +-
 drivers/isdn/mISDN/l1oip_core.c          |  2 +-
 drivers/misc/vmw_vmci/vmci_queue_pair.c  |  6 ++--
 drivers/net/ppp/ppp_generic.c            |  2 +-
 drivers/nvme/host/tcp.c                  |  4 +--
 drivers/nvme/target/io-cmd-file.c        |  4 +--
 drivers/nvme/target/tcp.c                |  2 +-
 drivers/s390/char/zcore.c                |  2 +-
 drivers/scsi/sg.c                        |  2 +-
 drivers/target/iscsi/iscsi_target_util.c |  4 +--
 drivers/target/target_core_file.c        |  4 +--
 drivers/usb/usbip/usbip_common.c         |  2 +-
 drivers/vhost/net.c                      |  6 ++--
 drivers/vhost/scsi.c                     | 10 +++----
 drivers/vhost/vhost.c                    |  6 ++--
 drivers/vhost/vringh.c                   |  4 +--
 drivers/vhost/vsock.c                    |  4 +--
 drivers/xen/pvcalls-back.c               |  8 ++---
 fs/9p/vfs_addr.c                         |  4 +--
 fs/9p/vfs_dir.c                          |  2 +-
 fs/9p/xattr.c                            |  4 +--
 fs/afs/cmservice.c                       |  2 +-
 fs/afs/dir.c                             |  2 +-
 fs/afs/file.c                            |  4 +--
 fs/afs/internal.h                        |  4 +--
 fs/afs/rxrpc.c                           | 10 +++----
 fs/afs/write.c                           |  4 +--
 fs/aio.c                                 |  4 +--
 fs/btrfs/ioctl.c                         |  4 +--
 fs/ceph/addr.c                           |  4 +--
 fs/ceph/file.c                           |  4 +--
 fs/cifs/connect.c                        |  6 ++--
 fs/cifs/file.c                           |  4 +--
 fs/cifs/fscache.c                        |  4 +--
 fs/cifs/smb2ops.c                        |  4 +--
 fs/cifs/transport.c                      |  6 ++--
 fs/coredump.c                            |  2 +-
 fs/erofs/fscache.c                       |  6 ++--
 fs/fscache/io.c                          |  2 +-
 fs/fuse/ioctl.c                          |  4 +--
 fs/netfs/io.c                            |  6 ++--
 fs/nfs/fscache.c                         |  4 +--
 fs/nfsd/vfs.c                            |  4 +--
 fs/ocfs2/cluster/tcp.c                   |  2 +-
 fs/orangefs/inode.c                      |  8 ++---
 fs/proc/vmcore.c                         |  6 ++--
 fs/read_write.c                          | 12 ++++----
 fs/seq_file.c                            |  2 +-
 fs/splice.c                              | 10 +++----
 include/linux/uio.h                      |  3 ++
 io_uring/net.c                           | 14 ++++-----
 io_uring/rw.c                            | 10 +++----
 kernel/trace/trace_events_user.c         |  2 +-
 lib/iov_iter.c                           | 50 ++++++++++++++++++--------------
 mm/madvise.c                             |  2 +-
 mm/page_io.c                             |  4 +--
 mm/process_vm_access.c                   |  2 +-
 net/9p/client.c                          |  2 +-
 net/bluetooth/6lowpan.c                  |  2 +-
 net/bluetooth/a2mp.c                     |  2 +-
 net/bluetooth/smp.c                      |  2 +-
 net/ceph/messenger_v1.c                  |  4 +--
 net/ceph/messenger_v2.c                  | 14 ++++-----
 net/compat.c                             |  3 +-
 net/ipv4/tcp.c                           |  4 +--
 net/netfilter/ipvs/ip_vs_sync.c          |  2 +-
 net/smc/smc_clc.c                        |  6 ++--
 net/smc/smc_tx.c                         |  2 +-
 net/socket.c                             | 12 ++++----
 net/sunrpc/socklib.c                     |  6 ++--
 net/sunrpc/svcsock.c                     |  4 +--
 net/sunrpc/xprtsock.c                    |  6 ++--
 net/tipc/topsrv.c                        |  2 +-
 net/tls/tls_device.c                     |  4 +--
 net/xfrm/espintcp.c                      |  2 +-
 security/keys/keyctl.c                   |  4 +--
 88 files changed, 224 insertions(+), 214 deletions(-)