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e2460f2a4b
A dm-crypt on dm-integrity device incorrectly advertises an integrity profile on the DM crypt device. It can be seen in the files "/sys/block/dm-*/integrity/*" that both dm-integrity and dm-crypt target advertise the integrity profile. That is incorrect, only the dm-integrity target should advertise the integrity profile. A general problem in DM is that if we have a DM device that depends on another device with an integrity profile, the upper device will always advertise the integrity profile, even when the target driver doesn't support handling integrity data. Most targets don't support integrity data, so we provide a whitelist of targets that support it (linear, delay and striped). The targets that support passing integrity data to the lower device are marked with the flag DM_TARGET_PASSES_INTEGRITY. The DM core will now advertise integrity data on a DM device only if all the targets support the integrity data. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> |
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| README | ||
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.