Bruno Prémont 975f7d4674 qla2xxx: fix busy wait regression ... Commit e05fe29248 (qla2xxx: Honor FCP_RSP retry delay timer field.) causes systems to busy-wait for about 3 minutes after boot prior to detecting SAN disks. During this wait period one kworker is running full-time (though /proc/<pid>/stack has no useful data). Another kworker is waiting for IO to complete during that whole time period. Looking at drivers/scsi/qla2xxx/qla_os.c, fcport->retry_delay_timestamp has a special value of 0 though that 0 value forces system to wait when jiffies is very large value (e.g. 4294952605 - "negative" value when signed on 32bit systems). Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Acked-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>		2015-01-05 18:15:08 +01:00
..
Kconfig
Makefile
qla_attr.c
qla_bsg.c
qla_bsg.h
qla_dbg.c
qla_dbg.h
qla_def.h
qla_devtbl.h
qla_dfs.c
qla_fw.h
qla_gbl.h	qla2xxx: remove redundant declaration in 'qla_gbl.h'	2014-11-12 11:32:01 +01:00
qla_gs.c
qla_init.c	qla2xxx: fix race in handling rport deletion during recovery causes panic	2014-12-15 13:34:23 +01:00
qla_inline.h
qla_iocb.c	scsi: remove abuses of scsi_populate_tag	2014-11-12 11:19:41 +01:00
qla_isr.c
qla_mbx.c
qla_mid.c
qla_mr.c	scsi: remove abuses of scsi_populate_tag	2014-11-12 11:19:41 +01:00
qla_mr.h
qla_nx.c
qla_nx.h
qla_nx2.c	qla2xxx: remove redundant declaration in 'qla_gbl.h'	2014-11-12 11:32:01 +01:00
qla_nx2.h
qla_os.c	qla2xxx: fix busy wait regression	2015-01-05 18:15:08 +01:00
qla_settings.h
qla_sup.c
qla_target.c	scsi: remove MSG_*_TAG defines	2014-12-04 09:58:33 +01:00
qla_target.h	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2014-10-21 13:06:38 -07:00
qla_tmpl.c
qla_tmpl.h
qla_version.h
tcm_qla2xxx.c	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2014-10-21 13:06:38 -07:00
tcm_qla2xxx.h