Date: Thu, 03 Jul 2025 16:49:03 +0200 From: Olivier Certner <olce@freebsd.org> To: Rick Macklem <rick.macklem@gmail.com> Cc: Konstantin Belousov <kostikbel@gmail.com>, freebsd-current@freebsd.org Subject: Re: RFC: checking file systems support UF_HIDDEN, UF_SYSTEM Message-ID: <3252102.VPuetLRq1i@ravel> In-Reply-To: <CAM5tNy6Xqkh58muE0xymztmN9ZTzxTDm23oX-hTcdKeshz4hBg@mail.gmail.com> References: <CAM5tNy5eoY5f-fo9BKc4v34XKXF6%2B6Ae7Zpq=FH7owaSRYSHmw@mail.gmail.com> <2410567.gG0HsuGxDd@ravel> <CAM5tNy6Xqkh58muE0xymztmN9ZTzxTDm23oX-hTcdKeshz4hBg@mail.gmail.com>
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[-- Attachment #1 --] > Note that, for a NFSv4 client mount, support for hidden/system could > change somewhere in > the mounted server tree, since for NFSv4 the tree can consist of multiple file > systems of different types. For example: > If an ext2 fs was mounted under a ufs file system, the hidden/system support > would go away when the mount point is crossed into the ext2 subtree. > > So, I think pathconf is the best way to go (and avoids using up flag bits). That's a compelling reason. Consequence is that pathconf() must then be used on the directory where hidden/system files could be created/expected, and not the mount's root directory. Regards. -- Olivier Certner [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iQIzBAABCQAdFiEEmNCxHjkosai0LYIujKEwQJceJicFAmhmmF8ACgkQjKEwQJce JidLjg/+KsQca/tOdmRou47JBy8MhwvHl2KLjdPldD51JrycTfmg5c3kEI6vbEb9 3ZNifJppt9KFfA3rAbw3cPhzi65wBhtsGNNUi3NHAoR3Tkpze5+Iq76cDBGCJ1q3 ZM3kqWCoTpScCF8nNBPt2l7M/1bFZllfU0PS4AcvAomL1plI8RqOP9VL7qlPQN2y RKSkWv/l+t0znsbPQUpIE4bgBHFijdUnHEi4lOTh3LJV5dUdxQpI0Il/fGLhNdUn UZnUWO/Ra9iL0pE53Wvak0DSZ0xz30dSbU+pT0+GpNxhTe4C/qlxvqh6g5fdMGwE TzUu6mGfqAU8tsQdPW8NTNC1tZwvSipgW00jkn7qEiIs69YPlv+PtUbiVyooYotA PRe+beGFwkexdh6wJDz9i8HejzuUjOiJEJL8Uhq099V66tKDB6cK6RZ15TxWKK8e g3AXcv6bnNZoyUNmnFgQADjDbpYbVVRKp++f0jB1NmVdczCa8Ncx8YyiBhzRxF7S MPfGMEDu5Dtic4iPfWbrQGUgDhWnZ4LtiO5VfYz65gLR0dB+Gvt3MHiyO/5Sss5O d7H9/zCv7KzHB3+Fj9VdJd3+kbW1pQLkDilBryVwwb2fwhKG8qMX8muKRDdVUgyc ib9b3+QwGvnqy8aUL30/Z6T4DkxpOVnBxi9K/l7O+6wwRy69FKk= =Jzvl -----END PGP SIGNATURE-----help
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