[GIT PULL] Btrfs fixes for 6.4-rc7

[David Sterba]

Hi,

a few more fixes and regression fixes. This pull request got a bit
delayed due to testing and there are at least two more fixes I'd like to
get merged to 6.4-rc7, expected to be sent in time.

Please pull, thanks.

- in subpage mode, fix crash when repairing metadata at the and of a
  stripe

- properly enable async discard when remounting from read-only to
  read-write

- scrub regression fixes:
  - respect read-only scrub when attempting to do a repair
  - fix reporting of found errors, the stats don't get properly
    accounted after a stripe repair

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The following changes since commit b675df0257bb717082f592626da3ddfc5bdc2b6b:

  btrfs: zoned: fix dev-replace after the scrub rework (2023-06-01 15:12:02 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-6.4-rc6-tag

for you to fetch changes up to 79b8ee702c918f1936e17cc53e14bec388ce1045:

  btrfs: scrub: also report errors hit during the initial read (2023-06-08 14:34:01 +0200)

----------------------------------------------------------------
Chris Mason (1):
      btrfs: properly enable async discard when switching from RO->RW

Qu Wenruo (3):
      btrfs: subpage: fix a crash in metadata repair path
      btrfs: scrub: respect the read-only flag during repair
      btrfs: scrub: also report errors hit during the initial read

 fs/btrfs/disk-io.c |  9 +++++----
 fs/btrfs/scrub.c   | 26 +++++++++++++++++++-------
 fs/btrfs/super.c   |  6 ++++++
 3 files changed, 30 insertions(+), 11 deletions(-)