Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
---
block/blk-sysfs.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index cbea895a55..d6dd7d8198 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -497,6 +497,11 @@ static ssize_t queue_wc_store(struct request_queue *q, const char *page,
return count;
}
+static ssize_t queue_fua_show(struct request_queue *q, char *page)
+{
+ return sprintf(page, "%u\n", test_bit(QUEUE_FLAG_FUA, &q->queue_flags));
+}
+
static ssize_t queue_dax_show(struct request_queue *q, char *page)
{
return queue_var_show(blk_queue_dax(q), page);
@@ -665,6 +670,11 @@ static struct queue_sysfs_entry queue_wc_entry = {
.store = queue_wc_store,
};
+static struct queue_sysfs_entry queue_fua_entry = {
+ .attr = {.name = "fua", .mode = S_IRUGO },
+ .show = queue_fua_show,
+};
+
static struct queue_sysfs_entry queue_dax_entry = {
.attr = {.name = "dax", .mode = S_IRUGO },
.show = queue_dax_show,
@@ -714,6 +724,7 @@ static struct attribute *default_attrs[] = {
&queue_random_entry.attr,
&queue_poll_entry.attr,
&queue_wc_entry.attr,
+ &queue_fua_entry.attr,
&queue_dax_entry.attr,
&queue_wb_lat_entry.attr,
&queue_poll_delay_entry.attr,
--
2.17.0
