tree 4df4af311e198277cb7b7d038a779137b7e1b77d
parent 6ac999efeeff98f203eda8cf46d5016e99f58b0c
author Jitendra Bhivare <jitendra.bhivare@avagotech.com> 1453279246 +0530
committer Martin K. Petersen <martin.petersen@oracle.com> 1456280822 -0500

be2iscsi: Fix mbox synchronization replacing spinlock with mutex

This is second part of actual fix for soft lockup.

All mbox cmds issued using BMBX and MCC are synchronized using mutex
mbox_lock instead of spin_lock. Used mutex_lock_interruptible where ever
possible.

Signed-off-by: Jitendra Bhivare <jitendra.bhivare@avagotech.com>
Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>