fc_block_scsi_eh man page on Scientific

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FC_BLOCK_SCSI_EH(9)		SCSI mid layer		   FC_BLOCK_SCSI_EH(9)

NAME
       fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport

SYNOPSIS
       int fc_block_scsi_eh(struct scsi_cmnd * cmnd);

ARGUMENTS
       cmnd
	   SCSI command that scsi_eh is trying to recover

DESCRIPTION
       This routine can be called from a FC LLD scsi_eh callback. It blocks
       the scsi_eh thread until the fc_rport leaves the FC_PORTSTATE_BLOCKED,
       or the fast_io_fail_tmo fires. This is necessary to avoid the scsi_eh
       failing recovery actions for blocked rports which would lead to
       offlined SCSI devices.

RETURNS
       0 if the fc_rport left the state FC_PORTSTATE_BLOCKED. FAST_IO_FAIL if
       the fast_io_fail_tmo fired, this should be passed back to scsi_eh.

AUTHORS
       James Bottomley <James.Bottomley@hansenpartnership.com>
	   Author.

       Rob Landley <rob@landley.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		   FC_BLOCK_SCSI_EH(9)
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