[PATCH] [SMB3] Allow mknod and mkfifo on SMB2/SMB3 mounts

Steve French smfrench at gmail.com
Mon Sep 22 20:38:53 MDT 2014

This fixes xfstest generic/184 on smb3 mounts

On Mon, Sep 22, 2014 at 7:02 PM, Steve French <smfrench at gmail.com> wrote:
> The "sfu" mount option did not work on SMB2/SMB3 mounts.
> With these changes when the "sfu" mount option is passed in
> on an smb2/smb2.1/smb3 mount the client can emulate (and
> recognize) fifo and device (character and device files).
> In addition the "sfu" mount option should not conflict
> with "mfsymlinks" (symlink emulation) as we will never
> create "sfu" style symlinks, but using "sfu" mount option
> will allow us to recognize existing symlinks, created with
> Microsoft "Services for Unix" (SFU and SUA).
> To enable the "sfu" mount option for SMB2/SMB3 the calling
> syntax of the generic cifs/smb2/smb3 sync_read and sync_write
> protocol dependent function needed to be changed (we
> don't have a file struct in all cases), but this actually
> ended up simplifying the code a little.
> Patch attached and also at:
> http://git.samba.org/?p=sfrench/cifs-2.6.git;a=shortlog;h=refs/heads/for-next
> --
> Thanks,
> Steve



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