Mounting cifs with "sync" or "directio" Option Shows an Error "Invalid argument" (Doc ID 1987085.1)

Last updated on MARCH 21, 2016

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] to Oracle Linux 6.6 with Unbreakable Enterprise Kernel [3.8.13] [Release OL6U5 to OL6U6]
Information in this document applies to any platform.

Symptoms

A mount error below is shown when trying to mount cifs with "sync" or "directio" option:

Changes

Trying to mount cifs with "sync" or "directio" option on UEK3.

Cause

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