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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-19 20:42:02 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-19 20:42:02 +0300
commit933a90bf4f3505f8ec83bda21a3c7d70d7c2b426 (patch)
treeca81c209000a15670e3582760ad9bae1a9cde215 /drivers/virtio/virtio_balloon.c
parent5f4fc6d440d77a2cf74fe4ea56955674ac7e35e7 (diff)
parent037f11b4752f717201143a1dc5d6acf3cb71ddfa (diff)
downloadlinux-933a90bf4f3505f8ec83bda21a3c7d70d7c2b426.tar.xz
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() ...
Diffstat (limited to 'drivers/virtio/virtio_balloon.c')
-rw-r--r--drivers/virtio/virtio_balloon.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 44339fc87cc7..226fbb995fb0 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -18,6 +18,7 @@
#include <linux/mm.h>
#include <linux/mount.h>
#include <linux/magic.h>
+#include <linux/pseudo_fs.h>
/*
* Balloon device works in 4K page units. So each page is pointed to by
@@ -745,20 +746,14 @@ static int virtballoon_migratepage(struct balloon_dev_info *vb_dev_info,
return MIGRATEPAGE_SUCCESS;
}
-static struct dentry *balloon_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
+static int balloon_init_fs_context(struct fs_context *fc)
{
- static const struct dentry_operations ops = {
- .d_dname = simple_dname,
- };
-
- return mount_pseudo(fs_type, "balloon-kvm:", NULL, &ops,
- BALLOON_KVM_MAGIC);
+ return init_pseudo(fc, BALLOON_KVM_MAGIC) ? 0 : -ENOMEM;
}
static struct file_system_type balloon_fs = {
.name = "balloon-kvm",
- .mount = balloon_mount,
+ .init_fs_context = balloon_init_fs_context,
.kill_sb = kill_anon_super,
};