[PULL 0/2] 9p queue

[Christian Schoenebeck]

The following changes since commit 2d2c73d0e3d504a61f868e46e6abd5643f38091b:

  Merge remote-tracking branch 
'remotes/pmaydell/tags/pull-target-arm-20200914-1' into staging (2020-09-14 
16:03:08 +0100)

are available in the Git repository at:

  https://github.com/cschoenebeck/qemu.git tags/pull-9p-20200915

for you to fetch changes up to c418f935ac6aed9aa1dc0ceb4b19044a9b7b7968:

  9pfs: disable msize warning for synth driver (2020-09-15 12:12:03 +0200)

----------------------------------------------------------------
The intention of the following two patches is making users aware about
the negative file I/O performance impact when using a very low value
for 9P client parameter 'msize', which especially is the case if no
'msize' parameter was supplied by the user with a 9P Linux client at all.

All it does is logging a performance warning on host side (once) in
that case. By setting 'msize' on client side to any value larger than
8192 the performance warning will disappear.

See https://wiki.qemu.org/Documentation/9psetup#msize for details.

----------------------------------------------------------------
Christian Schoenebeck (2):
      9pfs: log warning if msize <= 8192
      9pfs: disable msize warning for synth driver

 fsdev/file-op-9p.h | 4 ++++
 hw/9pfs/9p-synth.c | 2 ++
 hw/9pfs/9p.c       | 9 +++++++++
 3 files changed, 15 insertions(+)