BLK_FEAT_FUA
bool supports_fua = q->limits.features & BLK_FEAT_FUA;
lim->features &= ~BLK_FEAT_FUA;
QUEUE_SYSFS_FEATURE_SHOW(fua, BLK_FEAT_FUA);
lim.features = BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA |
lim.features &= ~(BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA);
lim.features |= BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA;
lim.features &= ~BLK_FEAT_FUA;
lim.features |= BLK_FEAT_FUA;
lim.features |= BLK_FEAT_FUA;
lim.features |= BLK_FEAT_FUA;
lim->features |= BLK_FEAT_FUA;
.features = BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA,
limits->features |= BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA;
lim->features = BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA |
features |= (BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA);
lim.features |= BLK_FEAT_FUA;
lim.features |= BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA;
lim.features &= ~(BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA);
lim->features |= BLK_FEAT_FUA;
lim->features &= ~BLK_FEAT_FUA;
lim->features &= ~(BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA);
return bdev_limits(bdev)->features & BLK_FEAT_FUA;
(BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA | BLK_FEAT_ROTATIONAL | \