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Subject[PATCH 15/38] vfs: Convert virtio_balloon to fs_context
From
Date
Signed-off-by: David Howells <dhowells@redhat.com>
cc: "Michael S. Tsirkin" <mst@redhat.com>
cc: Jason Wang <jasowang@redhat.com>
cc: virtualization@lists.linux-foundation.org
---

drivers/virtio/virtio_balloon.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index f19061b585a4..89d67c8aa719 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -757,21 +757,22 @@ static int virtballoon_migratepage(struct balloon_dev_info *vb_dev_info,

return MIGRATEPAGE_SUCCESS;
}
+#include <linux/fs_context.h>

-static struct dentry *balloon_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
-{
- static const struct dentry_operations ops = {
- .d_dname = simple_dname,
- };
+static const struct dentry_operations balloon_dops = {
+ .d_dname = simple_dname,
+};

- return mount_pseudo(fs_type, "balloon-kvm:", NULL, &ops,
- BALLOON_KVM_MAGIC);
+static int balloon_init_fs_context(struct fs_context *fc)
+{
+ return vfs_init_pseudo_fs_context(fc, "balloon-kvm:",
+ NULL, NULL,
+ &balloon_dops, BALLOON_KVM_MAGIC);
}

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,
};

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