tree 0aaebf6b365ee6545b4a029a709948d34cf10bde
parent 90599b62ca80a0d2f88aa88bc05bf8795731fab8
author Tej Parkash <tej.parkash@qlogic.com> 1335784339 -0700
committer James Bottomley <JBottomley@Parallels.com> 1338368366 +0400

[SCSI] qla4xxx: Add change_queue_depth API support

change_queue_depth will adjust device queuedepth upon receiving
"SAM_STAT_TASK_SET_FULL" scsi status from the target.
Also added ql4xqfulltracking command line param to enable or disable
queuefull tracking. One can disabling queuefull tracking to ensure
user set scsi device queuedepth is not altered.

Signed-off-by: Tej Parkash <tej.parkash@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>