show a rotating dash during jffs2 erase

SVN-Revision: 10332

target/linux/generic-2.6/patches-2.6.24/850-jffs2_erase_progress_indicator.patch

@@ -0,0 +1,24 @@
+diff -Nur linux-2.6.24/fs/jffs2/erase.c linux-2.6.24-owrt/fs/jffs2/erase.c
+--- linux-2.6.24/fs/jffs2/erase.c	2008-01-30 17:30:15.000000000 +0100
++++ linux-2.6.24-owrt/fs/jffs2/erase.c	2008-01-30 22:20:02.000000000 +0100
+@@ -35,6 +35,8 @@
+ {
+ 	int ret;
+ 	uint32_t bad_offset;
++	static char s[]="|/-\\", *p=s;
++
+ #ifdef __ECOS
+        ret = jffs2_flash_erase(c, jeb);
+        if (!ret) {
+@@ -47,6 +49,11 @@
+ 
+ 	D1(printk(KERN_DEBUG "jffs2_erase_block(): erase block %#08x (range %#08x-%#08x)\n",
+ 				jeb->offset, jeb->offset, jeb->offset + c->sector_size));
++
++	printk("%c\b", *p);
++	if (*++p==0)
++	p=s;
++
+ 	instr = kmalloc(sizeof(struct erase_info) + sizeof(struct erase_priv_struct), GFP_KERNEL);
+ 	if (!instr) {
+ 		printk(KERN_WARNING "kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");