ATA_PHYS_LINK_OFFLIN(9) libata Core Internals ATA_PHYS_LINK_OFFLIN(9)
NAME ata_phys_link_offline - test whether the given link is offline
SYNOPSIS bool ata_phys_link_offline(struct ata_link * link);
ARGUMENTS link ATA link to test
DESCRIPTION Test whether link is offline. Note that this function returns 0 if offline status of link cannot be obtained, so ata_link_online(link) != !ata_link_offline(link).
LOCKING None.
RETURNS True if the port offline status is available and offline.
AUTHOR Jeff Garzik Author.
COPYRIGHT Kernel Hackers Manual 2.6. September 2014 ATA_PHYS_LINK_OFFLIN(9)