diff options
| author | Christian Brauner <brauner@kernel.org> | 2023-10-24 15:01:10 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-11-18 14:59:23 +0100 |
| commit | a30561a9be69d446d8d542a4f9735fe5ca9573df (patch) | |
| tree | 54d24522772d292182fb67c5b88f5fc284334a8f /include/linux/blkdev.h | |
| parent | fbcb8f39e96d59f4ed48cbdfaa65211fa867985c (diff) | |
bdev: add freeze and thaw holder operations
Add block device freeze and thaw holder operations. Follow-up patches
will implement block device freeze and thaw based on stuct
blk_holder_ops.
Link: https://lore.kernel.org/r/20231024-vfs-super-freeze-v2-4-599c19f4faac@kernel.org
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 7a3da7f44afb..1bc776335ff8 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; |