On Wed, Sep 27, 2023 at 03:21:15PM +0200, Christian Brauner wrote: > Add block device freeze and thaw holder operations. Follow-up patches > will implement block device freeze and thaw based on stuct s/stuct/struct/ Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> --D > blk_holder_ops. > > Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> > --- > include/linux/blkdev.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h > index bf25b63e13d5..f2ddccaaef4d 100644 > --- a/include/linux/blkdev.h > +++ b/include/linux/blkdev.h > @@ -1468,6 +1468,16 @@ struct blk_holder_ops { > * Sync the file system mounted on the block device. > */ > void (*sync)(struct block_device *bdev); > + > + /* > + * Freeze the file system mounted on the block device. > + */ > + int (*freeze)(struct block_device *bdev); > + > + /* > + * Thaw the file system mounted on the block device. > + */ > + int (*thaw)(struct block_device *bdev); > }; > > extern const struct blk_holder_ops fs_holder_ops; > > -- > 2.34.1 >