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Subject[PATCH 25/38] vfs: Convert configfs to fs_context
From
Date
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Joel Becker <jlbec@evilplan.org>
cc: Christoph Hellwig <hch@lst.de>
---

fs/configfs/mount.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index cfd91320e869..af4db09f46b4 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -27,6 +27,7 @@
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/mount.h>
+#include <linux/fs_context.h>
#include <linux/pagemap.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -66,7 +67,7 @@ static struct configfs_dirent configfs_root = {
.s_iattr = NULL,
};

-static int configfs_fill_super(struct super_block *sb, void *data, int silent)
+static int configfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
struct inode *inode;
struct dentry *root;
@@ -102,16 +103,25 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
return 0;
}

-static struct dentry *configfs_do_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
+static int configfs_get_tree(struct fs_context *fc)
{
- return mount_single(fs_type, flags, data, configfs_fill_super);
+ return vfs_get_super(fc, vfs_get_single_super, configfs_fill_super);
+}
+
+static const struct fs_context_operations configfs_context_ops = {
+ .get_tree = configfs_get_tree,
+};
+
+static int configfs_init_fs_context(struct fs_context *fc)
+{
+ fc->ops = &configfs_context_ops;
+ return 0;
}

static struct file_system_type configfs_fs_type = {
.owner = THIS_MODULE,
.name = "configfs",
- .mount = configfs_do_mount,
+ .init_fs_context = configfs_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("configfs");
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