Red Hat Bugzilla – Bug 198301
xfs root filesystem quota problem
Last modified: 2008-05-06 12:06:18 EDT
Description of problem: The finished initrd image does not seem to support the rootflags= option required for quota when / is XFS. Version-Release number of selected component (if applicable): FC5 Bordeaux/i686 How reproducible: Adding rootflags=usrquota,grpquota to the kernel boot line has no effect. Actual results: No quota activated on / Expected results: Should have activated quota on xfs /. Additional info: initrd scripts (distro-independent) go like this: mount /, mostly indicated by root= option or by some other trick look at /etc/fstab remount / using the flags in /etc/fstab This does not work for XFS because activating quota must be done on _the very first_ mount and is rejected with an error is attempted later. This is why rootflags= must be used. In environments where kernels with no initrd are used, the kernel passed rootflags= directly to the xfs code; in environments where initrds are employed, the initrd scripts must parse it out and pass to the first mount command (when mounting / readonly). The latter (parsing rootflags= in initrd) is not supported.
Why can't this just be set in fstab like with other filesystem parameters?
Because, the filesystem that contains fstab must _already_ be mounted using usrquota and/or grpquota, even if it is just mounted read-only.
Peter, essentially quotas on xfs are not a remountable option, IIRC.
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