Commit 248e9f75 authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk

xen/blkback: Replace WRITE_BARRIER with (REQ_FLUSH | REQ_FUA)

TODO: Double check xen-blkfront.c
parent 313d7b00
......@@ -405,7 +405,7 @@ static void dispatch_rw_block_io(blkif_t *blkif,
operation = WRITE;
break;
case BLKIF_OP_WRITE_BARRIER:
operation = WRITE_BARRIER;
operation = REQ_FLUSH | REQ_FUA;
break;
default:
operation = 0; /* make gcc happy */
......@@ -414,7 +414,7 @@ static void dispatch_rw_block_io(blkif_t *blkif,
/* Check that number of segments is sane. */
nseg = req->nr_segments;
if (unlikely(nseg == 0 && operation != WRITE_BARRIER) ||
if (unlikely(nseg == 0 && operation != (REQ_FLUSH | REQ_FUA)) ||
unlikely(nseg > BLKIF_MAX_SEGMENTS_PER_REQUEST)) {
DPRINTK("Bad number of segments in request (%d)\n", nseg);
goto fail_response;
......@@ -517,7 +517,7 @@ static void dispatch_rw_block_io(blkif_t *blkif,
}
if (!bio) {
BUG_ON(operation != WRITE_BARRIER);
BUG_ON(operation != (REQ_FLUSH | REQ_FUA));
bio = bio_alloc(GFP_KERNEL, 0);
if (unlikely(bio == NULL))
goto fail_put_bio;
......@@ -532,7 +532,7 @@ static void dispatch_rw_block_io(blkif_t *blkif,
if (operation == READ)
blkif->st_rd_sect += preq.nr_sects;
else if (operation == WRITE || operation == WRITE_BARRIER)
else if (operation == WRITE || operation == (REQ_FLUSH | REQ_FUA))
blkif->st_wr_sect += preq.nr_sects;
return;
......
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