btrfs: zoned: fix btrfs_can_activate_zone() to support DUP profile

[platform/kernel/linux-starfive.git] / fs / btrfs / zoned.c

diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 056f002..1b72004 100644 (file)
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -2099,11 +2099,21 @@ bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, u64 flags)
                if (!device->bdev)
                        continue;
 
-               if (!zinfo->max_active_zones ||
-                   atomic_read(&zinfo->active_zones_left)) {
+               if (!zinfo->max_active_zones) {
                        ret = true;
                        break;
                }
+
+               switch (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
+               case 0: /* single */
+                       ret = (atomic_read(&zinfo->active_zones_left) >= 1);
+                       break;
+               case BTRFS_BLOCK_GROUP_DUP:
+                       ret = (atomic_read(&zinfo->active_zones_left) >= 2);
+                       break;
+               }
+               if (ret)
+                       break;
        }
        mutex_unlock(&fs_info->chunk_mutex);