linux-kernel - [PATCH 14/38] vfs: Convert ocxlflash to fs

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Date:   Thu, 14 Mar 2019 16:10:47 +0000
From:   David Howells <dhowells@...hat.com>
To:     viro@...iv.linux.org.uk
Cc:     "Manoj N. Kumar" <manoj@...ux.ibm.com>,
        "Matthew R. Ochs" <mrochs@...ux.ibm.com>,
        Uma Krishnan <ukrishn@...ux.ibm.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, dhowells@...hat.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 14/38] vfs: Convert ocxlflash to fs_context

Signed-off-by: David Howells <dhowells@...hat.com>
cc: "Manoj N. Kumar" <manoj@...ux.ibm.com>
cc: "Matthew R. Ochs" <mrochs@...ux.ibm.com>
cc: Uma Krishnan <ukrishn@...ux.ibm.com>
cc: "James E.J. Bottomley" <jejb@...ux.ibm.com>
cc: "Martin K. Petersen" <martin.petersen@...cle.com>
cc: linux-scsi@...r.kernel.org
---

 drivers/scsi/cxlflash/ocxl_hw.c |   21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index 37b8dc60f5f6..a8d2cc6390c7 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -16,6 +16,7 @@
 #include <linux/idr.h>
 #include <linux/module.h>
 #include <linux/mount.h>
+#include <linux/fs_context.h>
 #include <linux/poll.h>
 #include <linux/sched/signal.h>
 
@@ -39,27 +40,17 @@ static const struct dentry_operations ocxlflash_fs_dops = {
 	.d_dname	= simple_dname,
 };
 
-/*
- * ocxlflash_fs_mount() - mount the pseudo-filesystem
- * @fs_type:	File system type.
- * @flags:	Flags for the filesystem.
- * @dev_name:	Device name associated with the filesystem.
- * @data:	Data pointer.
- *
- * Return: pointer to the directory entry structure
- */
-static struct dentry *ocxlflash_fs_mount(struct file_system_type *fs_type,
-					 int flags, const char *dev_name,
-					 void *data)
+static int ocxlflash_fs_init_fs_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, "ocxlflash:", NULL, &ocxlflash_fs_dops,
-			    OCXLFLASH_FS_MAGIC);
+	return vfs_init_pseudo_fs_context(fc, "ocxlflash:",
+					  NULL, NULL,
+					  &ocxlflash_fs_dops, OCXLFLASH_FS_MAGIC);
 }
 
 static struct file_system_type ocxlflash_fs_type = {
 	.name		= "ocxlflash",
 	.owner		= THIS_MODULE,
-	.mount		= ocxlflash_fs_mount,
+	.init_fs_context = ocxlflash_fs_init_fs_context,
 	.kill_sb	= kill_anon_super,
 };