From: Changpeng Liu Date: Thu, 31 Aug 2017 03:22:49 +0000 (+0800) Subject: nvme: fix the definition of the doorbell buffer config support bit X-Git-Tag: v4.13~17^2^2 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=223694b9ae8bfba99f3528d49d07a740af6ff95a;p=mirror_ubuntu-bionic-kernel.git nvme: fix the definition of the doorbell buffer config support bit NVMe 1.3 specification defines the Optional Admin Command Support feature flags, bit 8 set to '1' then the controller supports the Doorbell Buffer Config command. Bit 7 is used for Virtualization Mangement command. Signed-off-by: Changpeng Liu Reviewed-by: Sagi Grimberg Reviewed-by: Max Gurtovoy Reviewed-by: Johannes Thumshirn Signed-off-by: Christoph Hellwig Fixes: f9f38e33 ("nvme: improve performance for virtual NVMe devices") Cc: stable@vger.kernel.org --- diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 25d8225dbd04..8efff888bd9b 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -254,7 +254,7 @@ enum { NVME_CTRL_VWC_PRESENT = 1 << 0, NVME_CTRL_OACS_SEC_SUPP = 1 << 0, NVME_CTRL_OACS_DIRECTIVES = 1 << 5, - NVME_CTRL_OACS_DBBUF_SUPP = 1 << 7, + NVME_CTRL_OACS_DBBUF_SUPP = 1 << 8, }; struct nvme_lbaf {