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-rw-r--r--fs/btrfs/ctree.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6f820fa23df4..7f78cc78fdd0 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -729,6 +729,15 @@ struct btrfs_space_info {
u64 disk_total; /* total bytes on disk, takes mirrors into
account */
+ /*
+ * we bump reservation progress every time we decrement
+ * bytes_reserved. This way people waiting for reservations
+ * know something good has happened and they can check
+ * for progress. The number here isn't to be trusted, it
+ * just shows reclaim activity
+ */
+ unsigned long reservation_progress;
+
int full; /* indicates that we cannot allocate any more
chunks for this space */
int force_alloc; /* set if we need to force a chunk alloc for