btrfs: move struct io_ctl to free-space-cache.h

The io_ctl structure is used for free space management, and used only by
the v1 space cache code, but unfortunatlly the full definition is
required by block-group.h so it can't be moved to free-space-cache.c
without additional changes.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index 5c6e2fb..c391800 100644 (file)
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -3,6 +3,8 @@
 #ifndef BTRFS_BLOCK_GROUP_H
 #define BTRFS_BLOCK_GROUP_H
 
+#include "free-space-cache.h"
+
 enum btrfs_disk_cache_state {
        BTRFS_DC_WRITTEN,
        BTRFS_DC_ERROR,

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 17cd885..0b6eca7 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -434,20 +434,6 @@ enum btrfs_caching_type {
        BTRFS_CACHE_ERROR,
 };
 
-struct btrfs_io_ctl {
-       void *cur, *orig;
-       struct page *page;
-       struct page **pages;
-       struct btrfs_fs_info *fs_info;
-       struct inode *inode;
-       unsigned long size;
-       int index;
-       int num_pages;
-       int entries;
-       int bitmaps;
-       unsigned check_crcs:1;
-};
-
 /*
  * Tree to record all locked full stripes of a RAID5/6 block group
  */

diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index 2205a41..39c32c8 100644 (file)
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -36,7 +36,19 @@ struct btrfs_free_space_op {
                           struct btrfs_free_space *info);
 };
 
-struct btrfs_io_ctl;
+struct btrfs_io_ctl {
+       void *cur, *orig;
+       struct page *page;
+       struct page **pages;
+       struct btrfs_fs_info *fs_info;
+       struct inode *inode;
+       unsigned long size;
+       int index;
+       int num_pages;
+       int entries;
+       int bitmaps;
+       unsigned check_crcs:1;
+};
 
 struct inode *lookup_free_space_inode(
                struct btrfs_block_group_cache *block_group,