linux-kernel - [PATCH 10/38] vfs: Convert dax to fs

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Message-ID: <155257981689.13720.12884353658173264997.stgit@warthog.procyon.org.uk>
Date:   Thu, 14 Mar 2019 16:10:16 +0000
From:   David Howells <dhowells@...hat.com>
To:     viro@...iv.linux.org.uk
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Keith Busch <keith.busch@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, linux-nvdimm@...ts.01.org,
        dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 10/38] vfs: Convert dax to fs_context

Signed-off-by: David Howells <dhowells@...hat.com>
cc: Dan Williams <dan.j.williams@...el.com>
cc: Vishal Verma <vishal.l.verma@...el.com>
cc: Keith Busch <keith.busch@...el.com>
cc: Dave Jiang <dave.jiang@...el.com>
cc: linux-nvdimm@...ts.01.org
---

 drivers/dax/super.c |   13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 0cb8c30ea278..40a9e665be32 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -13,6 +13,7 @@
 #include <linux/pagemap.h>
 #include <linux/module.h>
 #include <linux/mount.h>
+#include <linux/fs_context.h>
 #include <linux/magic.h>
 #include <linux/genhd.h>
 #include <linux/pfn_t.h>
@@ -435,16 +436,16 @@ static const struct super_operations dax_sops = {
 	.drop_inode = generic_delete_inode,
 };
 
-static struct dentry *dax_mount(struct file_system_type *fs_type,
-		int flags, const char *dev_name, void *data)
+static int dax_init_fs_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, "dax:", &dax_sops, NULL, DAXFS_MAGIC);
+	return vfs_init_pseudo_fs_context(fc, "dax:",
+					  &dax_sops, NULL, NULL, DAXFS_MAGIC);
 }
 
 static struct file_system_type dax_fs_type = {
-	.name = "dax",
-	.mount = dax_mount,
-	.kill_sb = kill_anon_super,
+	.name		= "dax",
+	.init_fs_context = dax_init_fs_context,
+	.kill_sb	= kill_anon_super,
 };
 
 static int dax_test(struct inode *inode, void *data)