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Subject[PATCH 24/38] vfs: Convert binfmt_misc to fs_context
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Date
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Alexander Viro <viro@zeniv.linux.org.uk>
cc: linux-fsdevel@vger.kernel.org
---

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

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index aa4a7a23ff99..0c32e59bfd20 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -22,6 +22,7 @@
#include <linux/pagemap.h>
#include <linux/namei.h>
#include <linux/mount.h>
+#include <linux/fs_context.h>
#include <linux/syscalls.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
@@ -820,7 +821,7 @@ static const struct super_operations s_ops = {
.evict_inode = bm_evict_inode,
};

-static int bm_fill_super(struct super_block *sb, void *data, int silent)
+static int bm_fill_super(struct super_block *sb, struct fs_context *fc)
{
int err;
static const struct tree_descr bm_files[] = {
@@ -835,10 +836,19 @@ static int bm_fill_super(struct super_block *sb, void *data, int silent)
return err;
}

-static struct dentry *bm_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
+static int bm_get_tree(struct fs_context *fc)
{
- return mount_single(fs_type, flags, data, bm_fill_super);
+ return vfs_get_super(fc, vfs_get_single_super, bm_fill_super);
+}
+
+static const struct fs_context_operations bm_context_ops = {
+ .get_tree = bm_get_tree,
+};
+
+static int bm_init_fs_context(struct fs_context *fc)
+{
+ fc->ops = &bm_context_ops;
+ return 0;
}

static struct linux_binfmt misc_format = {
@@ -849,7 +859,7 @@ static struct linux_binfmt misc_format = {
static struct file_system_type bm_fs_type = {
.owner = THIS_MODULE,
.name = "binfmt_misc",
- .mount = bm_mount,
+ .init_fs_context = bm_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("binfmt_misc");
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