X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fbtrfs%2Ftree-log.h;h=7f5b41bd5373810a04159d8c28facbd289c5c03c;hb=167225b775d47954d702db4743f9d918aabab0a8;hp=91b145fce3336719a745085dc8497bed380405de;hpb=67be1e4f4b0a512f6af3a7db681ae9b62d31de5e;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h
index 91b145fce333..7f5b41bd5373 100644
--- a/fs/btrfs/tree-log.h
+++ b/fs/btrfs/tree-log.h
@@ -19,6 +19,9 @@
 #ifndef __TREE_LOG_
 #define __TREE_LOG_
 
+#include "ctree.h"
+#include "transaction.h"
+
 /* return value for btrfs_log_dentry_safe that means we don't need to log it at all */
 #define BTRFS_NO_LOG_SYNC 256
 
@@ -35,6 +38,19 @@ static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx)
 	INIT_LIST_HEAD(&ctx->list);
 }
 
+static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info,
+					     struct btrfs_trans_handle *trans)
+{
+	ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid;
+}
+
+static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info,
+					     struct btrfs_trans_handle *trans)
+{
+	return ACCESS_ONCE(fs_info->last_trans_log_full_commit) ==
+		trans->transid;
+}
+
 int btrfs_sync_log(struct btrfs_trans_handle *trans,
 		   struct btrfs_root *root, struct btrfs_log_ctx *ctx);
 int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root);