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Jason Andryuk
76a484193d
Implement a sharing check like the regular block script. Checking tapback inside block-tap is too late since it needs to be running to transition the backend to InitWait before block-tap is run. tap-ctl check will be removed when the requirement for the blktap kernel driver is removed. Remove it now as it is of limited use. find_device() needs to be non-fatal allow a sharing check. Only write physical-device-path because that is all that tapback needs. Also write_dev doesn't handled files and would incorrectly store physical-device as 0:0 which would confuse the minor inside tapback Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Signed-off-by: Jason Andryuk <jason.andryuk@amd.com> Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>