Date: Tue, 10 Feb 2026 22:27:48 -0600 From: Paul Vixie <paul@redbarn.org> To: Emil Tsalapatis <emil@etsalapatis.com> Cc: Pete Wright <pete@nomadlogic.org>, Mario Marietto <marietto2008@gmail.com>, FreeBSD virtualization <freebsd-virtualization@freebsd.org> Subject: Re: RFC: Kernel virtiofs driver Message-ID: <b1066bf8-9e29-4c50-aae2-234dfbe20d8b@redbarn.org> In-Reply-To: <CABFh=a7S8sSEfD1FSKS=n-X=eqw-nsutr3BbA06WyBy=oLz8KA@mail.gmail.com> References: <CABFh=a5HoDOHthe%2BavAAxpb3YN4W3FAGqCysdbyrBbr4Rw7rMg@mail.gmail.com> <CA%2B1FSijd9Cgr7KAL_pD0ACCr7%2BGTMoXR9zQ=skNVFdkstP6KJA@mail.gmail.com> <9c3f1865-d47f-4fcf-a34b-866ee727a25b@nomadlogic.org> <CABFh=a7S8sSEfD1FSKS=n-X=eqw-nsutr3BbA06WyBy=oLz8KA@mail.gmail.com>
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[-- Attachment #1 --] Do both p9fs and virtiofs both support mmap() such that two or more guests, and the host, can all map a file on the host for read/write access, and each see writes made by the others? This is my pain point with nfs and smb. Is either one as lightweight as zvol and ufs, such that I could consider using it for the os? I appreciate all the effort both teams have put in. Paul Vixie [-- Attachment #2 --] <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <span dir="ltr" style="margin-top:0; margin-bottom:0;">Do both p9fs and virtiofs both support mmap() such that two or more guests, and the host, can all map a file on the host for read/write access, and each see writes made by the others? This is my pain point with nfs and smb.</span> <br> <br><span dir="ltr" style="margin-top:0; margin-bottom:0;">Is either one as lightweight as zvol and ufs, such that I could consider using it for the os?</span> <br> <br><span dir="ltr" style="margin-top:0; margin-bottom:0;">I appreciate all the effort both teams have put in. </span> <br> <div class="fairemail_signature"> <span dir="ltr" style="margin-top:0; margin-bottom:0;">Paul Vixie</span> <br> </div> </body> </html>home | help
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