Date: Tue, 21 Dec 2010 19:20:08 GMT From: Jaakko Heinonen <jh@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/122838: [devfs] devfs doesn't handle complex paths (like zvol/pool/vms) good Message-ID: <201012211920.oBLJK8Pk036404@freefall.freebsd.org>
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The following reply was made to PR kern/122838; it has been noted by GNATS. From: Jaakko Heinonen <jh@FreeBSD.org> To: Dmitry Marakasov <amdmi3@amdmi3.ru> Cc: bug-followup@FreeBSD.org Subject: Re: kern/122838: [devfs] devfs doesn't handle complex paths (like zvol/pool/vms) good Date: Tue, 21 Dec 2010 21:10:12 +0200 On 2010-12-08, Jaakko Heinonen wrote: > On 2008-04-17, Dmitry Marakasov wrote: > > devfs behavior on nested paths is really unintuitive and pretty hard to tune. > > The problem is that for directories and symbolic links, rules match > against single component name while for device files rules match against > full device path (si_name). This may cause unwanted effects. For > example, the rule "devfs fd hide" hides an entry /dev/label/fd/label. Here is an experimental patch to change rules to match against full path for directories and symbolic links: http://people.freebsd.org/~jh/patches/devfs-rule-fullpath.diff The problem with this change is that it breaks existing rulesets if someone relies on rules matching against single component of a path. -- Jaakko
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