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Linux kernel 4.17.0 adds support for quota with CephFS. Without quota, it is not possible to fullfill the requirements of the CSI Spec and guarantee sufficient space on the filesystem for a volume. With this in mind, usage of the kernel client is only allowed with kernel 4.17.0 or newer. However, some Linux vendors backport features and patches to their Enterprise products. These kernels may have an older version, but do support quota. One of these is the kernel that comes with RHEL-7.7. By comparing the current running version of the Linux kernel against known versions that support quota, we can now automatically decide to use the kernel client, or not. Note that this does not change the 'forcekernelclient' parameter. The parameter is still available and can be used for kernels that are not in the 'known to support quota list'. Or users can pass the parameter to use a CephFS kernel client that does not support quota. Signed-off-by: Niels de Vos <ndevos@redhat.com> Signed-off-by: Madhu Rajanna <madhupr007@gmail.com> |
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| .. | ||
| cephfs_util.go | ||
| cephuser.go | ||
| controllerserver.go | ||
| driver.go | ||
| errors.go | ||
| fsjournal.go | ||
| identityserver.go | ||
| mountcache_test.go | ||
| mountcache.go | ||
| nodeserver.go | ||
| util.go | ||
| volume.go | ||
| volumemounter_test.go | ||
| volumemounter.go | ||
| volumeoptions.go | ||