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Date:   Mon, 29 Oct 2018 02:29:24 +0100
From:   Dominique Martinet <>
To:     Linus Torvalds <>
Subject: [GIT PULL] 9p updates for 4.20

Hi Linus,

Here is a 9p update for 4.20.

Highlights this time around are the end of Matthew's work to remove the
custom 9p request cache and use a slab directly for requests, with some
extra patches on my end to not degrade performance, but it's a very good
Tomas and I fixed a few more syzkaller bugs (refcount is the big one),
and I had a go at the coverity bugs and at some of the bugzilla reports
we had open for a while.

I'm a bit disappointed that I couldn't get much reviews for a few of my
own patches, but the big ones got some and it's all been soaking in
linux-next for quite a while so I think it should be OK.

Lastly, as said last time, I'm going to be confusing again as I changed
my PGP key - it's signed by the old one - but should keep this one for
the forseeable future now.


The following changes since commit 5b394b2ddf0347bef56e50c69a58773c94343ff3:

  Linux 4.19-rc1 (2018-08-26 14:11:59 -0700)

are available in the Git repository at:

  git:// tags/9p-for-4.20

for you to fetch changes up to fb488fc1f2b4c5128540b032892ddec91edaf8d9:

  9p/trans_fd: put worker reqs on destroy (2018-10-10 09:14:34 +0900)

Dan Carpenter (1):
      9p: potential NULL dereference

Dinu-Razvan Chis-Serban (1):
      9p locks: add mount option for lock retry interval

Dominique Martinet (12):
      9p/xen: fix check for xenbus_read error in front_probe
      v9fs_dir_readdir: fix double-free on p9stat_read error
      9p: clear dangling pointers in p9stat_free
      9p: embed fcall in req to round down buffer allocs
      9p: add a per-client fcall kmem_cache
      9p/rdma: do not disconnect on down_interruptible EAGAIN
      9p: acl: fix uninitialized iattr access
      9p/rdma: remove useless check in cm_event_handler
      9p: p9dirent_read: check network-provided name length
      9p locks: fix glock.client_id leak in do_lock
      9p/trans_fd: abort p9_read_work if req status changed
      9p/trans_fd: put worker reqs on destroy

Gertjan Halkes (1):
      9p: do not trust pdu content for stat item size

Gustavo A. R. Silva (1):
      9p: fix spelling mistake in fall-through annotation

Matthew Wilcox (2):
      9p: Use a slab for allocating requests
      9p: Remove p9_idpool

Tomas Bortoli (3):
      9p: rename p9_free_req() function
      9p: Add refcount to p9_req_t
      9p: Rename req to rreq in trans_fd

 fs/9p/acl.c             |   2 +-
 fs/9p/v9fs.c            |  21 +++++
 fs/9p/v9fs.h            |   1 +
 fs/9p/vfs_dir.c         |  19 +---
 fs/9p/vfs_file.c        |  24 +++++-
 include/net/9p/9p.h     |  12 +--
 include/net/9p/client.h |  71 ++++++---------
 net/9p/Makefile         |   1 -
 net/9p/client.c         | 551 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------------------------------------------
 net/9p/mod.c            |   9 +-
 net/9p/protocol.c       |  20 ++++-
 net/9p/trans_fd.c       |  64 +++++++++-----
 net/9p/trans_rdma.c     |  37 ++++----
 net/9p/trans_virtio.c   |  44 +++++++---
 net/9p/trans_xen.c      |  17 ++--
 net/9p/util.c           | 140 ------------------------------
 16 files changed, 482 insertions(+), 551 deletions(-)
 delete mode 100644 net/9p/util.c

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