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authorDan Williams <dan.j.williams@intel.com>2012-01-18 20:47:01 -0800
committerJames Bottomley <JBottomley@Parallels.com>2012-02-29 15:35:41 -0600
commit9508a66f898d46e726a318469312b45e0b1d078b (patch)
treee6b61e6c2a7dc8b40fdc0fe34901ff3db4af47a9 /drivers/scsi/libsas/sas_internal.h
parent92625f9bff3853951cc75f5bc084ee67c1317d2f (diff)
downloadtalos-op-linux-9508a66f898d46e726a318469312b45e0b1d078b.tar.gz
talos-op-linux-9508a66f898d46e726a318469312b45e0b1d078b.zip
[SCSI] libsas: async ata scanning
libsas ata error handling is already async but this does not help the scan case. Move initial link recovery out from under host->scan_mutex, and delay synchronization with eh until after all port probe/recovery work has been queued. Device ordering is maintained with scan order by still calling sas_rphy_add() in order of domain discovery. Since we now scan the domain list when invoking libata-eh we need to be careful to check for fully initialized ata ports. Acked-by: Jack Wang <jack_wang@usish.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_internal.h')
-rw-r--r--drivers/scsi/libsas/sas_internal.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index e028d7a44202..d0d9bf10f79c 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -113,6 +113,15 @@ static inline int sas_smp_host_handler(struct Scsi_Host *shost,
}
#endif
+static inline void sas_fail_probe(struct domain_device *dev, const char *func, int err)
+{
+ SAS_DPRINTK("%s: for %s device %16llx returned %d\n",
+ func, dev->parent ? "exp-attached" :
+ "direct-attached",
+ SAS_ADDR(dev->sas_addr), err);
+ sas_unregister_dev(dev->port, dev);
+}
+
static inline void sas_fill_in_rphy(struct domain_device *dev,
struct sas_rphy *rphy)
{
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