From: Josef Bacik <josef@toxicpanda.com>
Date: Thu, 20 Jun 2019 15:37:58 -0400
Subject: btrfs: temporarily export btrfs_get_restripe_target
Git-commit: 8484764e8587dc3defa9579b795e3f7bbf9789c5
Patch-mainline: v5.4-rc1
References: bsc#1165949

This gets used by a few different logical chunks of the block group
code, export it while we move things around.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Acked-by: Nikolay Borisov <nborisov@suse.com>
---
 fs/btrfs/block-group.h |    1 +
 fs/btrfs/extent-tree.c |    8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)

--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -200,5 +200,6 @@ static inline int btrfs_block_group_cach
 }
 
 int __btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache, int force);
+u64 btrfs_get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags);
 
 #endif /* BTRFS_BLOCK_GROUP_H */
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3254,7 +3254,7 @@ int btrfs_extent_readonly(struct btrfs_f
  *
  * should be called with either volume_mutex or balance_lock held
  */
-static u64 get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags)
+u64 btrfs_get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags)
 {
 	struct btrfs_balance_control *bctl = fs_info->balance_ctl;
 	u64 target = 0;
@@ -3295,7 +3295,7 @@ static u64 btrfs_reduce_alloc_profile(st
 	 * try to reduce to the target profile
 	 */
 	spin_lock(&fs_info->balance_lock);
-	target = get_restripe_target(fs_info, flags);
+	target = btrfs_get_restripe_target(fs_info, flags);
 	if (target) {
 		/* pick target profile only if it's already available */
 		if ((flags & target) & BTRFS_EXTENDED_PROFILE_MASK) {
@@ -6625,7 +6625,7 @@ static u64 update_block_group_flags(stru
 	 * if restripe for this chunk_type is on pick target profile and
 	 * return, otherwise do the usual balance
 	 */
-	stripped = get_restripe_target(fs_info, flags);
+	stripped = btrfs_get_restripe_target(fs_info, flags);
 	if (stripped)
 		return extended_to_chunk(stripped);
 
@@ -6933,7 +6933,7 @@ int btrfs_can_relocate(struct btrfs_fs_i
 	 *      3: raid0
 	 *      4: single
 	 */
-	target = get_restripe_target(fs_info, block_group->flags);
+	target = btrfs_get_restripe_target(fs_info, block_group->flags);
 	if (target) {
 		index = __get_raid_index(extended_to_chunk(target));
 	} else {