From: Jeffle Xu <jefflexu@linux.alibaba.com>
To: vgoyal@redhat.com, stefanha@redhat.com, miklos@szeredi.hu
Cc: linux-fsdevel@vger.kernel.org, virtio-fs@redhat.com,
bo.liu@linux.alibaba.com, joseph.qi@linux.alibaba.com
Subject: [PATCH v5 3/5] fuse: support per-file DAX
Date: Thu, 23 Sep 2021 17:25:24 +0800 [thread overview]
Message-ID: <20210923092526.72341-4-jefflexu@linux.alibaba.com> (raw)
In-Reply-To: <20210923092526.72341-1-jefflexu@linux.alibaba.com>
Expand the fuse protocol to support per-file DAX.
FUSE_ATTR_DAX flag is added indicating if DAX shall be enabled for
corresponding file when replying FUSE_LOOKUP request.
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
---
include/uapi/linux/fuse.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 36ed092227fa..88dc24512124 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -184,6 +184,9 @@
*
* 7.34
* - add FUSE_SYNCFS
+ *
+ * 7.35
+ * - add FUSE_ATTR_DAX
*/
#ifndef _LINUX_FUSE_H
@@ -219,7 +222,7 @@
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 34
+#define FUSE_KERNEL_MINOR_VERSION 35
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
@@ -449,8 +452,10 @@ struct fuse_file_lock {
* fuse_attr flags
*
* FUSE_ATTR_SUBMOUNT: Object is a submount root
+ * FUSE_ATTR_DAX: Enable DAX for this file in per-file DAX mode
*/
#define FUSE_ATTR_SUBMOUNT (1 << 0)
+#define FUSE_ATTR_DAX (1 << 1)
/**
* Open flags
--
2.27.0
next prev parent reply other threads:[~2021-09-23 9:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-23 9:25 [PATCH v5 0/5] fuse,virtiofs: support per-file DAX Jeffle Xu
2021-09-23 9:25 ` [PATCH v5 1/5] fuse: add fuse_should_enable_dax() helper Jeffle Xu
2021-09-23 18:58 ` Vivek Goyal
2021-09-23 9:25 ` [PATCH v5 2/5] fuse: make DAX mount option a tri-state Jeffle Xu
2021-09-23 19:02 ` Vivek Goyal
2021-09-23 22:26 ` Dave Chinner
2021-09-24 1:02 ` Vivek Goyal
2021-09-24 3:06 ` JeffleXu
2021-09-24 12:43 ` Vivek Goyal
2021-09-26 2:06 ` JeffleXu
2021-09-27 0:21 ` Dave Chinner
2021-09-27 2:28 ` JeffleXu
2021-09-28 3:44 ` Dave Chinner
2021-09-28 5:17 ` JeffleXu
2021-09-28 14:34 ` Vivek Goyal
2021-09-27 15:32 ` Vivek Goyal
2021-09-28 3:23 ` Dave Chinner
2021-09-23 9:25 ` Jeffle Xu [this message]
2021-09-23 9:25 ` [PATCH v5 4/5] fuse: enable per-file DAX Jeffle Xu
2021-09-23 9:25 ` [PATCH v5 5/5] fuse: mark inode DONT_CACHE when per-file DAX hint changes Jeffle Xu
2021-09-23 9:35 ` [virtiofsd PATCH v5 0/2] virtiofsd: support per-file DAX Jeffle Xu
2021-09-23 9:35 ` [virtiofsd PATCH v5 1/2] virtiofsd: add FUSE_ATTR_DAX to fuse protocol Jeffle Xu
2021-09-23 9:35 ` [virtiofsd PATCH v5 2/2] virtiofsd: support per-file DAX Jeffle Xu
2021-09-23 18:57 ` [PATCH v5 0/5] fuse,virtiofs: " Vivek Goyal
2021-10-27 3:42 ` JeffleXu
2021-10-27 14:45 ` Vivek Goyal
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