btrfs: move scrub prototypes into scrub.h

Move these out of ctree.h into scrub.h to cut down on code in ctree.h.
Reviewed-by: NJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: NJosef Bacik <josef@toxicpanda.com>
Reviewed-by: NDavid Sterba <dsterba@suse.com>
Signed-off-by: NDavid Sterba <dsterba@suse.com>

fs/btrfs/ctree.h

@@ -732,17 +732,6 @@ static inline unsigned long get_eb_page_index(unsigned long offset)
 #define EXPORT_FOR_TESTS
 #endif
 
-/* scrub.c */
-int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
-		    u64 end, struct btrfs_scrub_progress *progress,
-		    int readonly, int is_dev_replace);
-void btrfs_scrub_pause(struct btrfs_fs_info *fs_info);
-void btrfs_scrub_continue(struct btrfs_fs_info *fs_info);
-int btrfs_scrub_cancel(struct btrfs_fs_info *info);
-int btrfs_scrub_cancel_dev(struct btrfs_device *dev);
-int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,
-			 struct btrfs_scrub_progress *progress);
-
 /* dev-replace.c */
 void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
 void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);

fs/btrfs/dev-replace.c

@@ -25,6 +25,7 @@
 #include "block-group.h"
 #include "fs.h"
 #include "accessors.h"
+#include "scrub.h"
 
 /*
  * Device replace overview

fs/btrfs/disk-io.c

@@ -50,6 +50,7 @@
 #include "defrag.h"
 #include "uuid-tree.h"
 #include "relocation.h"
+#include "scrub.h"
 
 #define BTRFS_SUPER_FLAG_SUPP	(BTRFS_HEADER_FLAG_WRITTEN |\
 				 BTRFS_HEADER_FLAG_RELOC |\

fs/btrfs/ioctl.c

@@ -59,6 +59,7 @@
 #include "uuid-tree.h"
 #include "ioctl.h"
 #include "file.h"
+#include "scrub.h"
 
 #ifdef CONFIG_64BIT
 /* If we have a 32-bit userspace and 64-bit kernel, then the UAPI

fs/btrfs/scrub.c

@@ -24,6 +24,7 @@
 #include "fs.h"
 #include "accessors.h"
 #include "file-item.h"
+#include "scrub.h"
 
 /*
  * This is only the first step towards a full-features scrub. It reads all

fs/btrfs/scrub.h

+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef BTRFS_SCRUB_H
+#define BTRFS_SCRUB_H
+
+int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
+		    u64 end, struct btrfs_scrub_progress *progress,
+		    int readonly, int is_dev_replace);
+void btrfs_scrub_pause(struct btrfs_fs_info *fs_info);
+void btrfs_scrub_continue(struct btrfs_fs_info *fs_info);
+int btrfs_scrub_cancel(struct btrfs_fs_info *info);
+int btrfs_scrub_cancel_dev(struct btrfs_device *dev);
+int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,
+			 struct btrfs_scrub_progress *progress);
+
+#endif

fs/btrfs/super.c

@@ -55,6 +55,7 @@
 #include "defrag.h"
 #include "dir-item.h"
 #include "ioctl.h"
+#include "scrub.h"
 #define CREATE_TRACE_POINTS
 #include <trace/events/btrfs.h>
 

fs/btrfs/transaction.c

@@ -33,6 +33,7 @@
 #include "uuid-tree.h"
 #include "ioctl.h"
 #include "relocation.h"
+#include "scrub.h"
 
 static struct kmem_cache *btrfs_trans_handle_cachep;
 

fs/btrfs/volumes.c

@@ -38,6 +38,7 @@
 #include "uuid-tree.h"
 #include "ioctl.h"
 #include "relocation.h"
+#include "scrub.h"
 
 static struct bio_set btrfs_bioset;