From: michael Date: Fri, 18 Apr 2008 20:44:17 +0000 (-0700) Subject: [JFFS2] add write verify on dataflash. X-Git-Tag: v2.6.26-rc1~1069^2~63 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cca15841710da39490abc17f56b55703e3140955;p=linux-2.6 [JFFS2] add write verify on dataflash. 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 Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c index d1d4f27464..ba49f19cff 100644 --- a/fs/jffs2/wbuf.c +++ b/fs/jffs2/wbuf.c @@ -1236,12 +1236,24 @@ int jffs2_dataflash_setup(struct jffs2_sb_info *c) { 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); }