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From: | Bruno Haible |
Subject: | Re: [PATCH] fchmodat, lchmod: port to buggy Linux filesystems |
Date: | Sun, 16 Feb 2020 19:58:32 +0100 |
User-agent: | KMail/5.1.3 (Linux/4.4.0-171-generic; KDE/5.18.0; x86_64; ; ) |
Hi Paul, > One other possible bug is that the mode could change temporarily and then > spontaneously revert later, because the updated mode was cached but not > committed to stable storage. Filesystem bugs can be nasty. The S_ISLNK check that you put in bypasses this dark/fuzzy area in the kernel. Therefore I won't check against this possible bug in a unit test. Let the kernel people do this. Bruno
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