The patch titled
jffs2: add write verify on dataflash.
has been added to the -mm tree. Its filename is
jffs2-add-write-verify-on-dataflash.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
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Subject: jffs2: add write verify on dataflash.
From: michael <[EMAIL PROTECTED]>
Add the write verification buffer to the dataflash. The mtd_dataflash has
the CONFIG_DATAFLASH_WRITE_VERIFY so is better a change to Kconfig.
Signed-off-by: Michael Trimarchi <[EMAIL PROTECTED]>
Cc: David Woodhouse <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
fs/jffs2/wbuf.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff -puN fs/jffs2/wbuf.c~jffs2-add-write-verify-on-dataflash fs/jffs2/wbuf.c
--- a/fs/jffs2/wbuf.c~jffs2-add-write-verify-on-dataflash
+++ a/fs/jffs2/wbuf.c
@@ -1236,12 +1236,24 @@ int jffs2_dataflash_setup(struct jffs2_s
if (!c->wbuf)
return -ENOMEM;
+#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY
+ c->wbuf_verify = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
+ if (!c->wbuf_verify) {
+ kfree(c->oobbuf);
+ kfree(c->wbuf);
+ return -ENOMEM;
+ }
+#endif
+
printk(KERN_INFO "JFFS2 write-buffering enabled buffer (%d) erasesize
(%d)\n", c->wbuf_pagesize, c->sector_size);
return 0;
}
void jffs2_dataflash_cleanup(struct jffs2_sb_info *c) {
+#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY
+ kfree(c->wbuf_verify);
+#endif
kfree(c->wbuf);
}
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
atmel_serial-fix-interrupt-handler-return-value.patch
jffs2-add-write-verify-on-dataflash.patch
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