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authorPeter Lieven <pl@kamp.de>2015-04-16 16:08:28 +0200
committerKevin Wolf <kwolf@redhat.com>2015-04-28 15:36:10 +0200
commit752ce45150d3d70aabc4eb46a7a9cdfd8b4640fd (patch)
treea022ffd86b43e7c2fc3b20662c1f1ea650468e2b
parent7191f2080c70228c6483b6604cc1c18943d8d766 (diff)
block/iscsi: store DPOFUA bit from the modesense command
Signed-off-by: Peter Lieven <pl@kamp.de> Message-id: 1429193313-4263-5-git-send-email-pl@kamp.de Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/iscsi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/iscsi.c b/block/iscsi.c
index 221c9fc4ef..237faa1f05 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -66,6 +66,7 @@ typedef struct IscsiLun {
bool write_protected;
bool lbpme;
bool lbprz;
+ bool dpofua;
bool has_write_same;
} IscsiLun;
@@ -1258,6 +1259,7 @@ static void iscsi_modesense_sync(IscsiLun *iscsilun)
struct scsi_task *task;
struct scsi_mode_sense *ms = NULL;
iscsilun->write_protected = false;
+ iscsilun->dpofua = false;
task = iscsi_modesense6_sync(iscsilun->iscsi, iscsilun->lun,
1, SCSI_MODESENSE_PC_CURRENT,
@@ -1279,6 +1281,7 @@ static void iscsi_modesense_sync(IscsiLun *iscsilun)
goto out;
}
iscsilun->write_protected = ms->device_specific_parameter & 0x80;
+ iscsilun->dpofua = ms->device_specific_parameter & 0x10;
out:
if (task) {