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-rw-r--r--fs/f2fs/node.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 7427e956ad81..e4fffd2d98c4 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -14,9 +14,11 @@
/* node block offset on the NAT area dedicated to the given start node id */
#define NAT_BLOCK_OFFSET(start_nid) (start_nid / NAT_ENTRY_PER_BLOCK)
-/* # of pages to perform readahead before building free nids */
+/* # of pages to perform synchronous readahead before building free nids */
#define FREE_NID_PAGES 4
+#define DEF_RA_NID_PAGES 4 /* # of nid pages to be readaheaded */
+
/* maximum readahead size for node during getting data blocks */
#define MAX_RA_NODE 128