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Subject[PATCH 35/38] vfs: Convert securityfs to fs_context
From
Date
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-security-module@vger.kernel.org
---

security/inode.c | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/security/inode.c b/security/inode.c
index b7772a9b315e..4fecbc8b072a 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -16,6 +16,7 @@
#include <linux/sysfs.h>
#include <linux/kobject.h>
#include <linux/fs.h>
+#include <linux/fs_context.h>
#include <linux/mount.h>
#include <linux/pagemap.h>
#include <linux/init.h>
@@ -40,7 +41,7 @@ static const struct super_operations securityfs_super_operations = {
.evict_inode = securityfs_evict_inode,
};

-static int fill_super(struct super_block *sb, void *data, int silent)
+static int securityfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
static const struct tree_descr files[] = {{""}};
int error;
@@ -54,17 +55,25 @@ static int fill_super(struct super_block *sb, void *data, int silent)
return 0;
}

-static struct dentry *get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name,
- void *data)
+static int securityfs_get_tree(struct fs_context *fc)
{
- return mount_single(fs_type, flags, data, fill_super);
+ return vfs_get_super(fc, vfs_get_single_super, securityfs_fill_super);
+}
+
+static const struct fs_context_operations securityfs_context_ops = {
+ .get_tree = securityfs_get_tree,
+};
+
+static int securityfs_init_fs_context(struct fs_context *fc)
+{
+ fc->ops = &securityfs_context_ops;
+ return 0;
}

static struct file_system_type fs_type = {
.owner = THIS_MODULE,
.name = "securityfs",
- .mount = get_sb,
+ .init_fs_context = securityfs_init_fs_context,
.kill_sb = kill_litter_super,
};

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