[PATCH] [JFFS2] Speed up mounts by inreasing INO_CACHE_HASHSIZE to 1024

Daniel Drake dsd at laptop.org
Fri Sep 24 15:22:42 EDT 2010


From: David Woodhouse <dwmw2 at infradead.org>

This significantly speeds up jffs2 mounting on OLPC laptops.

Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
Signed-off-by: Daniel Drake <dsd at laptop.org>
---

OLPC have carried this kernel patch for years.
Is it upstream-suitable?

 fs/jffs2/nodelist.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 523a916..976e237 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -199,7 +199,7 @@ struct jffs2_inode_cache {
 #define RAWNODE_CLASS_XATTR_DATUM	1
 #define RAWNODE_CLASS_XATTR_REF		2
 
-#define INOCACHE_HASHSIZE 128
+#define INOCACHE_HASHSIZE 1024
 
 #define write_ofs(c) ((c)->nextblock->offset + (c)->sector_size - (c)->nextblock->free_size)
 
-- 
1.7.2.2




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