[Qemu-devel] [Bug 1280961] Re: editing the file when mount the file system using 9pfs. it will report fsync failed.

[chchen]

resovled it, this is because in the kernel 2.6.32; the 9pfs doesn't
implement the fsync function. just back port the code from higher
version, can resolve it.

like this patch

https://gitorious.org/linux-
gemini/mainline/commit/7a4439c406c21b1e900ed497cec1a79d05b38c07


** Changed in: qemu
     Assignee: (unassigned) => chchen (cc272309126)

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https://bugs.launchpad.net/bugs/1280961

Title:
  editing the file when mount the file system using 9pfs. it will report
  fsync failed.

Status in QEMU:
  New

Bug description:
   I have get a fsync error when I use the 9pfs on the kvm guest. it
  appears when I use vi editor and sysbench. I have not  found the
  reason yet. can you tell something about it?  the attache is the
  picture. and there is no any log which I can provide.

   My qemu version is qemu-kvm-0.13.0, and my  host  linux distributions
  is 2.6.32-431.el6.x86_64 and the guest vm is the same version which
  enable 9pfs and 9pnet support. I use the string of "mount -t 9p -o
  trans=virtio test_mount /tmp/shared/ -oversion=9p2000.L,posixacl" to
  get the file system.

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