diff options
Diffstat (limited to 'drivers/nvme/target/io-cmd-bdev.c')
| -rw-r--r-- | drivers/nvme/target/io-cmd-bdev.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c index 95c2bbb0b2f5..e9194804ddee 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -76,6 +76,14 @@ int nvmet_bdev_ns_enable(struct nvmet_ns *ns) { int ret; + /* + * When buffered_io namespace attribute is enabled that means user want + * this block device to be used as a file, so block device can take + * an advantage of cache. + */ + if (ns->buffered_io) + return -ENOTBLK; + ns->bdev = blkdev_get_by_path(ns->device_path, FMODE_READ | FMODE_WRITE, NULL); if (IS_ERR(ns->bdev)) { |