diff options
Diffstat (limited to 'drivers/target/target_core_device.c')
| -rw-r--r-- | drivers/target/target_core_device.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index f2aa7543d20a..d10cbed23472 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -772,6 +772,12 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag) pr_err("emulate_write_cache not supported for pSCSI\n"); return -EINVAL; } + if (dev->transport->get_write_cache) { + pr_warn("emulate_write_cache cannot be changed when underlying" + " HW reports WriteCacheEnabled, ignoring request\n"); + return 0; + } + dev->dev_attrib.emulate_write_cache = flag; pr_debug("dev[%p]: SE Device WRITE_CACHE_EMULATION flag: %d\n", dev, dev->dev_attrib.emulate_write_cache); |