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>
This commit is contained in:
Peter Lieven 2015-04-16 16:08:28 +02:00 committed by Kevin Wolf
parent 7191f2080c
commit 752ce45150

View File

@ -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) {