Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs mount updates from Al Viro:
 "The first part of mount updates.

  Convert filesystems to use the new mount API"

* 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  mnt_init(): call shmem_init() unconditionally
  constify ksys_mount() string arguments
  don't bother with registering rootfs
  init_rootfs(): don't bother with init_ramfs_fs()
  vfs: Convert smackfs to use the new mount API
  vfs: Convert selinuxfs to use the new mount API
  vfs: Convert securityfs to use the new mount API
  vfs: Convert apparmorfs to use the new mount API
  vfs: Convert openpromfs to use the new mount API
  vfs: Convert xenfs to use the new mount API
  vfs: Convert gadgetfs to use the new mount API
  vfs: Convert oprofilefs to use the new mount API
  vfs: Convert ibmasmfs to use the new mount API
  vfs: Convert qib_fs/ipathfs to use the new mount API
  vfs: Convert efivarfs to use the new mount API
  vfs: Convert configfs to use the new mount API
  vfs: Convert binfmt_misc to use the new mount API
  convenience helper: get_tree_single()
  convenience helper get_tree_nodev()
  vfs: Kill sget_userns()
  ...

1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index dc4b2c521d79..f45bfb29ef96 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -24,6 +24,7 @@
 #include <linux/reservation.h>
 #include <linux/mm.h>
 #include <linux/mount.h>
+#include <linux/pseudo_fs.h>
 
 #include <uapi/linux/dma-buf.h>
 #include <uapi/linux/magic.h>
@@ -59,16 +60,20 @@ static const struct dentry_operations dma_buf_dentry_ops = {
 
 static struct vfsmount *dma_buf_mnt;
 
-static struct dentry *dma_buf_fs_mount(struct file_system_type *fs_type,
-		int flags, const char *name, void *data)
+static int dma_buf_fs_init_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, "dmabuf:", NULL, &dma_buf_dentry_ops,
-			DMA_BUF_MAGIC);
+	struct pseudo_fs_context *ctx;
+
+	ctx = init_pseudo(fc, DMA_BUF_MAGIC);
+	if (!ctx)
+		return -ENOMEM;
+	ctx->dops = &dma_buf_dentry_ops;
+	return 0;
 }
 
 static struct file_system_type dma_buf_fs_type = {
 	.name = "dmabuf",
-	.mount = dma_buf_fs_mount,
+	.init_fs_context = dma_buf_fs_init_context,
 	.kill_sb = kill_anon_super,
 };