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Re: [PATCH v4] fuse: Add support for passthrough read/write

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On 01/21/2016 01:16 AM, Nikhilesh Reddy wrote:
> Add support for filesystem passthrough read/write of files
> when enabled in userspace through the option FUSE_PASSTHROUGH.
> 
> There are many FUSE based filesystems that perform checks or
> enforce policy or perform some kind of decision making in certain
> functions like the "open" call but simply act as a "passthrough"
> when performing operations such as read or write.
> 
> When FUSE_PASSTHROUGH is enabled all the reads and writes
> to the fuse mount point go directly to the passthrough filesystem
> i.e a native filesystem that actually hosts the files rather than
> through the fuse daemon. All requests that aren't read/write still
> go thought the userspace code.
> 
> This allows for significantly better performance on read and writes.
> The difference in performance between fuse and the native lower
> filesystem is negligible.
> 
> There is also a significant cpu/power savings that is achieved which
> is really important on embedded systems that use fuse for I/O.
> 
> Signed-off-by: Nikhilesh Reddy <reddyn@codeaurora.org>

I think it is common style to add a change log between patch set
versions in the patch description.


Bernd

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[PATCH v4] fuse: Add support for passthrough read/write Nikhilesh Reddy <reddyn@codeaurora.org> - 2016-01-21 01:20 +0100
  Re: [PATCH v4] fuse: Add support for passthrough read/write Bernd Schubert <bernd.schubert@fastmail.fm> - 2016-01-21 13:40 +0100
    Re: [PATCH v4] fuse: Add support for passthrough read/write Richard Weinberger <richard@nod.at> - 2016-01-21 13:50 +0100
      Re: [PATCH v4] fuse: Add support for passthrough read/write Nikhilesh Reddy <reddyn@codeaurora.org> - 2016-01-21 19:10 +0100
  Re: [fuse-devel] [PATCH v4] fuse: Add support for passthrough read/write Nikhilesh Reddy <reddyn@codeaurora.org> - 2016-01-25 21:50 +0100

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