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authorDarrick J. Wong <djwong@us.ibm.com>2010-10-01 13:55:47 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-10-08 16:03:42 -0500
commit56dd2c0691a5a387b7b05835fe547dc6fade9407 (patch)
treed7ff3abef5b42f554128b30072aaa1e2aa7eab08 /include
parent[SCSI] megaraid_sas: Add Online Controller Reset to MegaRAID SAS drive (diff)
downloadlinux-dev-56dd2c0691a5a387b7b05835fe547dc6fade9407.tar.xz
linux-dev-56dd2c0691a5a387b7b05835fe547dc6fade9407.zip
[SCSI] libsas: Don't issue commands to devices that have been hot-removed
sd will get hung up issuing commands to flush write cache if a SAS device behind the expander is unplugged without warning. Change libsas to reject commands to domain devices that have already gone away. [maciej.trela@intel.com: removed setting ->gone in sas_deform_port() to permit sync cache commands at module removal] Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Tested-by: Haipao Fan <haipao.fan@intel.com> Signed-off-by: Maciej Trela <maciej.trela@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/scsi/libsas.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index d06e13be717b..3dec1949f69c 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -205,6 +205,7 @@ struct domain_device {
};
void *lldd_dev;
+ int gone;
};
struct sas_discovery_event {