With the special dedup reference, in the case of (refs == 1) in __btrfs_free_extent, we'll actually free the extent, so pinned_bytes of it should not be added to that global counter.
Signed-off-by: Liu Bo <bo.li....@oracle.com> --- fs/btrfs/extent-tree.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 1cb3ec5..b8fee86 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5915,9 +5915,6 @@ again: goto out; } } - add_pinned_bytes(root->fs_info, -num_bytes, owner_objectid, - root_objectid); - /* * special case for dedup * @@ -5934,6 +5931,9 @@ again: refs_to_drop = 1; goto again; + } else { + add_pinned_bytes(root->fs_info, -num_bytes, + owner_objectid, root_objectid); } } else { if (is_data && root_objectid == BTRFS_DEDUP_TREE_OBJECTID) { -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html