read-cache: store in-memory flags in the first 12 bits of ce_flags

We're running out of room for in-memory flags. But since b60e188
(Strip namelen out of ce_flags into a ce_namelen field - 2012-07-11),
we copy the namelen (first 12 bits) to ce_namelen field. So those bits
are free to use. Just make sure we do not accidentally write any
in-memory flags back.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/cache.h b/cache.h
index e44048c..57ad318 100644
--- a/cache.h
+++ b/cache.h
@@ -145,7 +145,7 @@ struct cache_entry {
 #define CE_STAGESHIFT 12
 
 /*
- * Range 0xFFFF0000 in ce_flags is divided into
+ * Range 0xFFFF0FFF in ce_flags is divided into
  * two parts: in-memory flags and on-disk ones.
  * Flags in CE_EXTENDED_FLAGS will get saved on-disk
  * if you want to save a new flag, add it in