linux-kernel - [PATCH 07/38] vfs: Convert pipe to fs

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Message-ID: <155257979297.13720.8554804464777128254.stgit@warthog.procyon.org.uk>
Date:   Thu, 14 Mar 2019 16:09:53 +0000
From:   David Howells <dhowells@...hat.com>
To:     viro@...iv.linux.org.uk
Cc:     linux-fsdevel@...r.kernel.org, dhowells@...hat.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 07/38] vfs: Convert pipe to fs_context

Signed-off-by: David Howells <dhowells@...hat.com>
cc: linux-fsdevel@...r.kernel.org
---

 fs/pipe.c |   12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/fs/pipe.c b/fs/pipe.c
index 070aad543382..14f029d1897f 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -14,6 +14,7 @@
 #include <linux/fs.h>
 #include <linux/log2.h>
 #include <linux/mount.h>
+#include <linux/fs_context.h>
 #include <linux/magic.h>
 #include <linux/pipe_fs_i.h>
 #include <linux/uio.h>
@@ -1182,16 +1183,17 @@ static const struct super_operations pipefs_ops = {
  * any operations on the root directory. However, we need a non-trivial
  * d_name - pipe: will go nicely and kill the special-casing in procfs.
  */
-static struct dentry *pipefs_mount(struct file_system_type *fs_type,
-			 int flags, const char *dev_name, void *data)
+
+static int pipefs_init_fs_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, "pipe:", &pipefs_ops,
-			&pipefs_dentry_operations, PIPEFS_MAGIC);
+	return vfs_init_pseudo_fs_context(fc, "pipe:",
+					  &pipefs_ops, NULL,
+					  &pipefs_dentry_operations, PIPEFS_MAGIC);
 }
 
 static struct file_system_type pipe_fs_type = {
 	.name		= "pipefs",
-	.mount		= pipefs_mount,
+	.init_fs_context = pipefs_init_fs_context,
 	.kill_sb	= kill_anon_super,
 };