Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Vivek Goyal <vgoyal@redhat.com>
To:     linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org
Cc:     vgoyal@redhat.com, miklos@szeredi.hu, stefanha@redhat.com,
        dgilbert@redhat.com, sweil@redhat.com, swhiteho@redhat.com
Subject: [PATCH 21/52] fuse: Introduce fuse_dax_mapping
Date:   Mon, 10 Dec 2018 12:12:47 -0500
Message-Id: <20181210171318.16998-22-vgoyal@redhat.com>
In-Reply-To: <20181210171318.16998-1-vgoyal@redhat.com>
References: <20181210171318.16998-1-vgoyal@redhat.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Introduce fuse_dax_mapping. This type will be used to keep track of
per inode dax mappings.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
---
 fs/fuse/fuse_i.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 345abe9b022f..b9880be690bd 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -81,6 +81,15 @@ struct fuse_forget_link {
 	struct fuse_forget_link *next;
 };
 
+/** Translation information for file offsets to DAX window offsets */
+struct fuse_dax_mapping {
+       /** Position in DAX window */
+       u64 window_offset;
+
+       /** Length of mapping, in bytes */
+       loff_t length;
+};
+
 /** FUSE inode */
 struct fuse_inode {
 	/** Inode data */
-- 
2.13.6