diff options
| author | Asai Thambi SP <asamymuthupa@micron.com> | 2016-02-25 06:16:00 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-03-03 17:08:43 +0100 |
| commit | cfc05bd31384c4898bf2437a4de5557f3cf9803a (patch) | |
| tree | b83d6c29a6af0ff6ba4aee7d35aa5ff68aa29d19 /drivers/block/mtip32xx | |
| parent | Merge tag 'nbd-for-4.6' of git://git.pengutronix.de/git/mpa/linux-nbd into fo... (diff) | |
| download | linux-cfc05bd31384c4898bf2437a4de5557f3cf9803a.tar.xz linux-cfc05bd31384c4898bf2437a4de5557f3cf9803a.zip | |
mtip32xx: Fix broken service thread handling
Service thread does not detect the need for taskfile error hanlding. Fixed the
flag condition to process taskfile error.
Signed-off-by: Selvan Mani <smani@micron.com>
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/mtip32xx')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 6 | ||||
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.h | 5 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 9b180dbbd03c..dc445b4fc00f 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2917,9 +2917,7 @@ static int mtip_service_thread(void *data) * is in progress nor error handling is active */ wait_event_interruptible(port->svc_wait, (port->flags) && - !(port->flags & MTIP_PF_PAUSE_IO)); - - set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags); + (port->flags & MTIP_PF_SVC_THD_WORK)); if (kthread_should_stop() || test_bit(MTIP_PF_SVC_THD_STOP_BIT, &port->flags)) @@ -2929,6 +2927,8 @@ static int mtip_service_thread(void *data) &dd->dd_flag))) goto st_out; + set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags); + restart_eh: /* Demux bits: start with error handling */ if (test_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags)) { diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 3274784008eb..8635239c521f 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -144,6 +144,11 @@ enum { MTIP_PF_REBUILD_BIT = 6, MTIP_PF_SVC_THD_STOP_BIT = 8, + MTIP_PF_SVC_THD_WORK = ((1 << MTIP_PF_EH_ACTIVE_BIT) | + (1 << MTIP_PF_ISSUE_CMDS_BIT) | + (1 << MTIP_PF_REBUILD_BIT) | + (1 << MTIP_PF_SVC_THD_STOP_BIT)), + /* below are bit numbers in 'dd_flag' defined in driver_data */ MTIP_DDF_SEC_LOCK_BIT = 0, MTIP_DDF_REMOVE_PENDING_BIT = 1, |