android_kernel_oneplus_msm8998/drivers/s390/block
Stefan Haberland 6f33d9068b s390/dasd: fix hanging safe offline
[ Upstream commit e8ac01555d9e464249e8bb122337d6d6e5589ccc ]

The safe offline processing may hang forever because it waits for I/O
which can not be started because of the offline flag that prevents new
I/O from being started.

Allow I/O to be started during safe offline processing because in this
special case we take care that the queues are empty before throwing away
the device.

Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-13 19:50:21 +02:00
..
dasd.c s390/dasd: fix hanging safe offline 2018-04-13 19:50:21 +02:00
dasd_3990_erp.c
dasd_alias.c
dasd_devmap.c
dasd_diag.c
dasd_diag.h
dasd_eckd.c
dasd_eckd.h
dasd_eer.c
dasd_erp.c
dasd_fba.c
dasd_fba.h
dasd_genhd.c
dasd_int.h
dasd_ioctl.c
dasd_proc.c
dcssblk.c
Kconfig
Makefile
scm_blk.c
scm_blk.h
scm_blk_cluster.c
scm_drv.c
xpram.c