[JFFS2] Reschedule in loops

[pandora-kernel.git] / fs / jffs2 / summary.c

diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index c19bd47..2526596 100644 (file)
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -26,15 +26,13 @@
 
 int jffs2_sum_init(struct jffs2_sb_info *c)
 {
-       c->summary = kmalloc(sizeof(struct jffs2_summary), GFP_KERNEL);
+       c->summary = kzalloc(sizeof(struct jffs2_summary), GFP_KERNEL);
 
        if (!c->summary) {
                JFFS2_WARNING("Can't allocate memory for summary information!\n");
                return -ENOMEM;
        }
 
-       memset(c->summary, 0, sizeof(struct jffs2_summary));
-
        c->summary->sum_buf = vmalloc(c->sector_size);
 
        if (!c->summary->sum_buf) {
@@ -252,6 +250,11 @@ int jffs2_sum_add_kvec(struct jffs2_sb_info *c, const struct kvec *invecs,
        union jffs2_node_union *node;
        struct jffs2_eraseblock *jeb;
 
+       if (c->summary->sum_size == JFFS2_SUMMARY_NOSUM_SIZE) {
+               dbg_summary("Summary is disabled for this jeb! Skipping summary info!\n");
+               return 0;
+       }
+
        node = invecs[0].iov_base;
        jeb = &c->blocks[ofs / c->sector_size];
        ofs -= jeb->offset;
@@ -393,6 +396,8 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
        for (i=0; i<je32_to_cpu(summary->sum_num); i++) {
                dbg_summary("processing summary index %d\n", i);
 
+               cond_resched();
+
                /* Make sure there's a spare ref for dirty space */
                err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
                if (err)