From: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Date: Wed, 1 Jul 2015 04:38:27 +0000 (+1200)
Subject: JFFS2: Change scansize to match linux kernel
X-Git-Tag: v2015.10-rc2~141
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=081adef7e61be60c1328098cd19cb5aa6ceda21f;p=oweals%2Fu-boot.git

JFFS2: Change scansize to match linux kernel

The scan code is similar to the linux kernel, but the kernel defines a much
smaller size to scan through before deciding a sector is blank. Assuming
that what is in the kernel is OK, make these two match.

On its own, this change makes no difference to scanning of any sectors
which have a clean marker at the beginning, since the entire sector is not
blank.

Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
---

diff --git a/fs/jffs2/jffs2_1pass.c b/fs/jffs2/jffs2_1pass.c
index f488537c9f..c55d472047 100644
--- a/fs/jffs2/jffs2_1pass.c
+++ b/fs/jffs2/jffs2_1pass.c
@@ -1480,7 +1480,7 @@ dump_dirents(struct b_lists *pL)
 }
 #endif
 
-#define DEFAULT_EMPTY_SCAN_SIZE	4096
+#define DEFAULT_EMPTY_SCAN_SIZE	256
 
 static inline uint32_t EMPTY_SCAN_SIZE(uint32_t sector_size)
 {