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Subject[PATCH 30/38] vfs: Convert oprofilefs to fs_context
From
Date
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Robert Richter <rric@kernel.org>
cc: oprofile-list@lists.sf.net
---

drivers/oprofile/oprofilefs.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 4ea08979312c..d83fcd39ee55 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/oprofile.h>
#include <linux/fs.h>
+#include <linux/fs_context.h>
#include <linux/pagemap.h>
#include <linux/uaccess.h>

@@ -238,7 +239,7 @@ struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name)
}


-static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent)
+static int oprofilefs_fill_super(struct super_block *sb, struct fs_context *fc)
{
struct inode *root_inode;

@@ -263,18 +264,25 @@ static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent)
return 0;
}

-
-static struct dentry *oprofilefs_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
+static int oprofilefs_get_tree(struct fs_context *fc)
{
- return mount_single(fs_type, flags, data, oprofilefs_fill_super);
+ return vfs_get_super(fc, vfs_get_single_super, oprofilefs_fill_super);
}

+static const struct fs_context_operations oprofilefs_context_ops = {
+ .get_tree = oprofilefs_get_tree,
+};
+
+static int oprofilefs_init_fs_context(struct fs_context *fc)
+{
+ fc->ops = &oprofilefs_context_ops;
+ return 0;
+}

static struct file_system_type oprofilefs_type = {
.owner = THIS_MODULE,
.name = "oprofilefs",
- .mount = oprofilefs_mount,
+ .init_fs_context = oprofilefs_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("oprofilefs");
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