[PATCH v3 0/4] relayfs: misc changes

From: Jason Xing <kernelxing@tencent.com>

The series mostly focuses on the error counters which helps every user
debug their own kernel module.

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Note: this series is made on top of this cleanup[1] and unmerged commit[2]
[1]: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/log/?h=mm-nonmm-unstable
[2]: https://lore.kernel.org/all/20250507134225.63248-1-kerneljasonxing@gmail.com/ (local)

Jason Xing (4):
  relayfs: support a counter tracking if per-cpu buffers is full
  relayfs: introduce getting relayfs statistics function
  blktrace: use rbuf->stats.full as a drop indicator in relayfs
  relayfs: support a counter tracking if data is too big to write

 include/linux/relay.h   | 19 ++++++++++++++-
 kernel/relay.c          | 52 +++++++++++++++++++++++++++++++++++------
 kernel/trace/blktrace.c | 22 ++---------------
 3 files changed, 65 insertions(+), 28 deletions(-)

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2.43.5