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| author | Kashyap, Desai <kashyap.desai@lsi.com> | 2009-12-16 19:02:29 +0530 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-01-18 10:48:11 -0600 |
| commit | 64e155adc250ab68255b761c1faa77799aa1e41a (patch) | |
| tree | 772fc7ffc844dc34e01f6e05831523733510a53c /drivers/message/fusion/mptsas.c | |
| parent | e0f553ab58f478321717100e44b28f765bd2a045 (diff) | |
| download | linux-64e155adc250ab68255b761c1faa77799aa1e41a.tar.gz linux-64e155adc250ab68255b761c1faa77799aa1e41a.tar.bz2 linux-64e155adc250ab68255b761c1faa77799aa1e41a.zip | |
[SCSI] mptfusion: block device when target is being removed by FW
Add support to set the sdev state to SDEV_BLOCK during device removal
to stop IOs comming to the deleting driver immediately.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/message/fusion/mptsas.c')
| -rw-r--r-- | drivers/message/fusion/mptsas.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 1b7f550daebc..c20bbe45da82 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1075,6 +1075,19 @@ mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id) return 0; } +static void +mptsas_block_io_sdev(struct scsi_device *sdev, void *data) +{ + scsi_device_set_state(sdev, SDEV_BLOCK); +} + +static void +mptsas_block_io_starget(struct scsi_target *starget) +{ + if (starget) + starget_for_each_device(starget, NULL, mptsas_block_io_sdev); +} + /** * mptsas_target_reset_queue * @@ -1098,10 +1111,11 @@ mptsas_target_reset_queue(MPT_ADAPTER *ioc, id = sas_event_data->TargetID; channel = sas_event_data->Bus; - if (!(vtarget = mptsas_find_vtarget(ioc, channel, id))) - return; - - vtarget->deleted = 1; /* block IO */ + vtarget = mptsas_find_vtarget(ioc, channel, id); + if (vtarget) { + mptsas_block_io_starget(vtarget->starget); + vtarget->deleted = 1; /* block IO */ + } target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event), GFP_ATOMIC); @@ -1868,7 +1882,8 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) if (ioc->sas_discovery_quiesce_io) return SCSI_MLQUEUE_HOST_BUSY; -// scsi_print_command(SCpnt); + if (ioc->debug_level & MPT_DEBUG_SCSI) + scsi_print_command(SCpnt); return mptscsih_qcmd(SCpnt,done); } |