Merge branch 'master' into export-slabh
[kernel.git] / fs / logfs / journal.c
index f186043..33bd260 100644 (file)
@@ -801,6 +801,7 @@ void do_logfs_journal_wl_pass(struct super_block *sb)
 {
        struct logfs_super *super = logfs_super(sb);
        struct logfs_area *area = super->s_journal_area;
+       struct btree_head32 *head = &super->s_reserved_segments;
        u32 segno, ec;
        int i, err;
 
@@ -808,6 +809,7 @@ void do_logfs_journal_wl_pass(struct super_block *sb)
        /* Drop old segments */
        journal_for_each(i)
                if (super->s_journal_seg[i]) {
+                       btree_remove32(head, super->s_journal_seg[i]);
                        logfs_set_segment_unreserved(sb,
                                        super->s_journal_seg[i],
                                        super->s_journal_ec[i]);
@@ -820,8 +822,13 @@ void do_logfs_journal_wl_pass(struct super_block *sb)
                super->s_journal_seg[i] = segno;
                super->s_journal_ec[i] = ec;
                logfs_set_segment_reserved(sb, segno);
+               err = btree_insert32(head, segno, (void *)1, GFP_KERNEL);
+               BUG_ON(err); /* mempool should prevent this */
+               err = logfs_erase_segment(sb, segno, 1);
+               BUG_ON(err); /* FIXME: remount-ro would be nicer */
        }
        /* Manually move journal_area */
+       freeseg(sb, area->a_segno);
        area->a_segno = super->s_journal_seg[0];
        area->a_is_open = 0;
        area->a_used_bytes = 0;