centos man page for ata_link_online

ATA_LINK_ONLINE(9)						  libata Library						ATA_LINK_ONLINE(9)

NAME
       ata_link_online - test whether the given link is online

SYNOPSIS
       bool ata_link_online(struct ata_link * link);

ARGUMENTS
       link
	   ATA link to test

DESCRIPTION
       Test whether link is online. This is identical to ata_phys_link_online when there's no slave link. When there's a slave link, this function
       should only be called on the master link and will return true if any of M/S links is online.

LOCKING
       None.

RETURNS
       True if the port online status is available and online.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							ATA_LINK_ONLINE(9)