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e371b9d336
Building kublk currently fails (with a "could not find linux/ublk_cmd.h" error message) if kernel headers are not installed in a system-global location (i.e. somewhere in the compiler's default include search path). This failure is unnecessary, as make kselftest installs kernel headers in the build tree - kublk's build just isn't looking for them properly. There is an include path in kublk's CFLAGS which is probably intended to find the kernel headers installed in the build tree; fix it so that it can actually find them. This introduces some macro redefinition issues between glibc-provided headers and kernel headers; fix those by eliminating one include in kublk. Signed-off-by: Uday Shankar <ushankar@purestorage.com> Reviewed-by: Caleb Sander Mateos <csander@purestorage.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20250429-ublk_selftests-v2-3-e970b6d9e4f4@purestorage.com Signed-off-by: Jens Axboe <axboe@kernel.dk>