UBIFS: improve journal head debugging prints
Convert the journal head integer into the head name when printing
debugging information.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 8183ee0..9690004 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -210,6 +210,20 @@
}
}
+const char *dbg_jhead(int jhead)
+{
+ switch (jhead) {
+ case GCHD:
+ return "0 (GC)";
+ case BASEHD:
+ return "1 (base)";
+ case DATAHD:
+ return "2 (data)";
+ default:
+ return "unknown journal head";
+ }
+}
+
static void dump_ch(const struct ubifs_ch *ch)
{
printk(KERN_DEBUG "\tmagic %#x\n", le32_to_cpu(ch->magic));
@@ -623,8 +637,9 @@
/* If we are in R/O mode, journal heads do not exist */
if (c->jheads)
for (i = 0; i < c->jhead_cnt; i++)
- printk(KERN_DEBUG "\tjhead %d\t LEB %d\n",
- c->jheads[i].wbuf.jhead, c->jheads[i].wbuf.lnum);
+ printk(KERN_DEBUG "\tjhead %s\t LEB %d\n",
+ dbg_jhead(c->jheads[i].wbuf.jhead),
+ c->jheads[i].wbuf.lnum);
for (rb = rb_first(&c->buds); rb; rb = rb_next(rb)) {
bud = rb_entry(rb, struct ubifs_bud, rb);
printk(KERN_DEBUG "\tbud LEB %d\n", bud->lnum);
