@@ -3773,6 +3773,18 @@ static int do_allocation_zoned(struct btrfs_block_group *block_group,
if (skip)
return 1;
+ /* Check RO and no space case before trying to activate it */
+ spin_lock(&block_group->lock);
+ if (block_group->ro ||
+ block_group->alloc_offset == block_group->zone_capacity) {
+ spin_unlock(&block_group->lock);
+ return 1;
+ }
+ spin_unlock(&block_group->lock);
+
+ if (!btrfs_zone_activate(block_group))
+ return 1;
+
spin_lock(&space_info->lock);
spin_lock(&block_group->lock);
spin_lock(&fs_info->treelog_bg_lock);
Activate a block group when trying to allocate an extent from it. We check read-only case and no space left case before trying to activate a block group not to consume the number of active zones uselessly. Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> --- fs/btrfs/extent-tree.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)