jffs2: Add 'work_done' return value from jffs2_erase_pending_blocks()
We're about to start calling this from the jffs2_garbage_collect_pass(), and
we'll want to know whether it actually did anything or not.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index b47679b..b2d2b6a 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -103,9 +103,10 @@
jffs2_erase_failed(c, jeb, bad_offset);
}
-void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
+int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
{
struct jffs2_eraseblock *jeb;
+ int work_done = 0;
mutex_lock(&c->erase_free_sem);
@@ -121,6 +122,7 @@
mutex_unlock(&c->erase_free_sem);
jffs2_mark_erased_block(c, jeb);
+ work_done++;
if (!--count) {
D1(printk(KERN_DEBUG "Count reached. jffs2_erase_pending_blocks leaving\n"));
goto done;
@@ -157,6 +159,7 @@
mutex_unlock(&c->erase_free_sem);
done:
D1(printk(KERN_DEBUG "jffs2_erase_pending_blocks completed\n"));
+ return work_done;
}
static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 36d7a84..a881a42 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -464,7 +464,7 @@
int jffs2_do_mount_fs(struct jffs2_sb_info *c);
/* erase.c */
-void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count);
+int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count);
void jffs2_free_jeb_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
#ifdef CONFIG_JFFS2_FS_WRITEBUFFER