btrfs: temporarily export inc_block_group_ro

This is used in a few logical parts of the block group code, temporarily
export it so we can move things in pieces.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4b352325ff7f..08bd67169590 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6697,7 +6697,7 @@ static u64 update_block_group_flags(struct btrfs_fs_info *fs_info, u64 flags)
  * data in this block group. That check should be done by relocation routine,
  * not this function.
  */
-static int inc_block_group_ro(struct btrfs_block_group_cache *cache, int force)
+int __btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache, int force)
 {
         struct btrfs_space_info *sinfo = cache->space_info;
         u64 num_bytes;
@@ -6807,14 +6807,14 @@ again:
                         goto out;
         }
 
-        ret = inc_block_group_ro(cache, 0);
+        ret = __btrfs_inc_block_group_ro(cache, 0);
         if (!ret)
                 goto out;
         alloc_flags = get_alloc_profile(fs_info, cache->space_info->flags);
         ret = btrfs_chunk_alloc(trans, alloc_flags, CHUNK_ALLOC_FORCE);
         if (ret < 0)
                 goto out;
-        ret = inc_block_group_ro(cache, 0);
+        ret = __btrfs_inc_block_group_ro(cache, 0);
 out:
         if (cache->flags & BTRFS_BLOCK_GROUP_SYSTEM) {
                 alloc_flags = update_block_group_flags(fs_info, cache->flags);
@@ -7347,7 +7347,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
 
                 set_avail_alloc_bits(info, cache->flags);
                 if (btrfs_chunk_readonly(info, cache->key.objectid)) {
-                        inc_block_group_ro(cache, 1);
+                        __btrfs_inc_block_group_ro(cache, 1);
                 } else if (btrfs_block_group_used(&cache->item) == 0) {
                         ASSERT(list_empty(&cache->bg_list));
                         btrfs_mark_bg_unused(cache);
@@ -7368,11 +7368,11 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
                 list_for_each_entry(cache,
                                 &space_info->block_groups[BTRFS_RAID_RAID0],
                                 list)
-                        inc_block_group_ro(cache, 1);
+                        __btrfs_inc_block_group_ro(cache, 1);
                 list_for_each_entry(cache,
                                 &space_info->block_groups[BTRFS_RAID_SINGLE],
                                 list)
-                        inc_block_group_ro(cache, 1);
+                        __btrfs_inc_block_group_ro(cache, 1);
         }
 
         btrfs_init_global_block_rsv(info);
@@ -7911,7 +7911,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
                 spin_unlock(&block_group->lock);
 
                 /* We don't want to force the issue, only flip if it's ok. */
-                ret = inc_block_group_ro(block_group, 0);
+                ret = __btrfs_inc_block_group_ro(block_group, 0);
                 up_write(&space_info->groups_sem);
                 if (ret < 0) {
                         ret = 0;