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We have two flags, DASD_FLAG_DEVICE_RO and DASD_FEATURE_READONLY, that tell us whether a device is read-only. DASD_FLAG_DEVICE_RO is set when a device is attached as read-only to z/VM and DASD_FEATURE_READONLY is set when either the corresponding kernel parameter is configured, or the read-only state is changed via sysfs. This is valuable information in any case. However, only the feature flag is being checked at the moment when we display the current state. Fix this by checking both flags. Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.