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authorDaniel Drake <dsd@laptop.org>2010-10-07 19:14:02 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-10-25 00:57:19 +0100
commit65e5a0e18e5fb5bc6cfabd8ef4b9fc1c8569ba62 (patch)
tree0790ae9e682c5de24b0ffd7111a0bfab4f03aab3 /fs/jffs2/build.c
parentb46daf7eb1a143169699a8f9df634aa751a6ddde (diff)
jffs2: Dynamically choose inocache hash size
When JFFS2 is used for large volumes, the mount times are quite long. Increasing the hash size provides a significant speed boost on the OLPC XO-1 laptop. Add logic that dynamically selects a hash size based on the size of the medium. A 64mb medium will result in a hash size of 128, and a 512mb medium will result in a hash size of 1024. Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'fs/jffs2/build.c')
-rw-r--r--fs/jffs2/build.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c
index a906f538d11..85c6be2db02 100644
--- a/fs/jffs2/build.c
+++ b/fs/jffs2/build.c
@@ -23,7 +23,7 @@ static void jffs2_build_remove_unlinked_inode(struct jffs2_sb_info *,
static inline struct jffs2_inode_cache *
first_inode_chain(int *i, struct jffs2_sb_info *c)
{
- for (; *i < INOCACHE_HASHSIZE; (*i)++) {
+ for (; *i < c->inocache_hashsize; (*i)++) {
if (c->inocache_list[*i])
return c->inocache_list[*i];
}