Date: Thu, 3 Jul 2025 08:10:17 -0600 From: Alan Somers <asomers@freebsd.org> To: Rick Macklem <rick.macklem@gmail.com> Cc: Olivier Certner <olce@freebsd.org>, freebsd-current@freebsd.org Subject: Re: RFC: checking file systems support UF_HIDDEN, UF_SYSTEM Message-ID: <CAOtMX2gz1kjv_OGD57zaHc3Qq3Fi--uB00_c18VREToKswzkkA@mail.gmail.com> In-Reply-To: <CAM5tNy73MQQ0EET772j1HuZuG0QYrz9tisYis0HDKmwSmvk13w@mail.gmail.com> References: <CAM5tNy5eoY5f-fo9BKc4v34XKXF6%2B6Ae7Zpq=FH7owaSRYSHmw@mail.gmail.com> <CAOtMX2jVdbtGb=%2BCEAbaWF2oiSTD=V=js2HOjQHnpJpCB1i2zw@mail.gmail.com> <2417127.THHZn3L5Ee@ravel> <CAM5tNy73MQQ0EET772j1HuZuG0QYrz9tisYis0HDKmwSmvk13w@mail.gmail.com>
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[-- Attachment #1 --] On Thu, Jul 3, 2025 at 7:25 AM Rick Macklem <rick.macklem@gmail.com> wrote: > On Thu, Jul 3, 2025 at 1:22 AM Olivier Certner <olce@freebsd.org> wrote: > > > > Hi Alan, > > > > > The strcmp method isn't very good, because it doesn't account for the > > > possibility that some filesystems may only support the flags > conditionally, > > > depending on formatting options. I vote for method 1. > > > > Method 1 does not solve this problem either, as VFCF_* flags are per > filesystem *type*, not mounts. > That is true. For file systems other than fuse, the property seems to > apply to all file systems > of the type. I don't know what fuse does? > - Does fuse support these at all? (They are not supported by Linux, as > far as I know.) > fusefs does not currently support them and cannot, since there is no way to set file flags on fusefs. But a Romanian student, Claudiu Palincas, is working on it. So we should plan for fusefs to support them in the future. [-- Attachment #2 --] <div dir="ltr"><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Jul 3, 2025 at 7:25 AM Rick Macklem <<a href="mailto:rick.macklem@gmail.com">rick.macklem@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Thu, Jul 3, 2025 at 1:22 AM Olivier Certner <<a href="mailto:olce@freebsd.org" target="_blank">olce@freebsd.org</a>> wrote:<br> ><br> > Hi Alan,<br> ><br> > > The strcmp method isn't very good, because it doesn't account for the<br> > > possibility that some filesystems may only support the flags conditionally,<br> > > depending on formatting options. I vote for method 1.<br> ><br> > Method 1 does not solve this problem either, as VFCF_* flags are per filesystem *type*, not mounts.<br> That is true. For file systems other than fuse, the property seems to<br> apply to all file systems<br> of the type. I don't know what fuse does?<br> - Does fuse support these at all? (They are not supported by Linux, as<br> far as I know.) <br></blockquote><div><br></div><div>fusefs does not currently support them and cannot, since there is no way to set file flags on fusefs. But a Romanian student, Claudiu Palincas, is working on it. So we should plan for fusefs to support them in the future. <br></div></div></div>home | help
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