When writing to a FS on a client and reaching hard quota, the processes report EIO instead of EDQUOT, even though tcpdump shows correct NFS messages, NFS3ERR_DQUOT or a NFS4ERR_DQUOT.

Solution Unverified - Updated 2024-08-06T06:55:04+00:00 -

Issue

Red Hat Enterprise Linux 6 Update 2 NFS server exports a share from a file system with user quotas.
Export is mounted on Red Hat Enterprise Linux 6 Update 2 clients.
When writing to the FS on a client and reaching hard quota, the processes report EIO instead of EDQUOT, even though tcpdump shows correct NFS messages, NFS3ERR_DQUOT or a NFS4ERR_DQUOT.

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