From 8f18cf13396caae5a3d7ae91201cfb15181a9642 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Fri, 25 Apr 2008 16:53:30 -0400 Subject: Btrfs: Make the resizer work based on shrinking and growing devices Signed-off-by: Chris Mason --- fs/btrfs/volumes.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/btrfs/volumes.h') diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index a2660d2b6b3..6fe8440b37a 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -128,4 +128,9 @@ int btrfs_cleanup_fs_uuids(void); int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len); int btrfs_unplug_page(struct btrfs_mapping_tree *map_tree, u64 logical, struct page *page); +int btrfs_grow_device(struct btrfs_trans_handle *trans, + struct btrfs_device *device, u64 new_size); +struct btrfs_device *btrfs_find_device(struct btrfs_root *root, u64 devid, + u8 *uuid); +int btrfs_shrink_device(struct btrfs_device *device, u64 new_size); #endif -- cgit v1.2.3