From 1bfd476754a2d63f899ef9c3e253b17766b8fb73 Mon Sep 17 00:00:00 2001
From: Naohiro Aota <naohiro.aota@wdc.com>
Date: Tue, 3 May 2022 17:48:50 -0700
Subject: btrfs: zoned: introduce btrfs_zoned_bg_is_full

Introduce a wrapper to check if all the space in a block group is
allocated or not.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/zoned.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'fs/btrfs/zoned.h')

diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h
index de923fc8449d..7178bafda469 100644
--- a/fs/btrfs/zoned.h
+++ b/fs/btrfs/zoned.h
@@ -372,4 +372,10 @@ static inline void btrfs_zoned_data_reloc_unlock(struct btrfs_inode *inode)
 		mutex_unlock(&root->fs_info->zoned_data_reloc_io_lock);
 }
 
+static inline bool btrfs_zoned_bg_is_full(const struct btrfs_block_group *bg)
+{
+	ASSERT(btrfs_is_zoned(bg->fs_info));
+	return (bg->alloc_offset == bg->zone_capacity);
+}
+
 #endif
-- 
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