Merge branch 'for-2.6.30' of git://git.kernel.dk/linux-2.6-block

* 'for-2.6.30' of git://git.kernel.dk/linux-2.6-block:
  Get rid of pdflush_operation() in emergency sync and remount
  btrfs: get rid of current_is_pdflush() in btrfs_btree_balance_dirty
  Move the default_backing_dev_info out of readahead.c and into backing-dev.c
  block: Repeated lines in switching-sched.txt
  bsg: Remove bogus check against request_queue->max_sectors
  block: WARN in __blk_put_request() for potential bio leak
  loop: fix circular locking in loop_clr_fd()
  loop: support barrier writes
  bsg: add support for tail queuing
  cpqarray: enable bus mastering
  block: genhd.h cleanup patch
  block: add private bio_set for bio integrity allocations
  block: genhd.h comment needs updating
  block: get rid of unused blkdev_free_rq() define
  block: remove various blk_queue_*() setting functions in blk_init_queue_node()
  cciss: add BUILD_BUG_ON() for catching bad CommandList_struct alignment
  block: don't create bio_vec slabs of less than the inline number
  block: cleanup bio_alloc_bioset()

1 files changed, 9 insertions, 2 deletions

diff --git a/fs/super.c b/fs/super.c
index 6ce501447ada..dd4acb158b5e 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -674,7 +674,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
         return 0;
 }
 
-static void do_emergency_remount(unsigned long foo)
+static void do_emergency_remount(struct work_struct *work)
 {
         struct super_block *sb;
 
@@ -697,12 +697,19 @@ static void do_emergency_remount(unsigned long foo)
                 spin_lock(&sb_lock);
         }
         spin_unlock(&sb_lock);
+        kfree(work);
         printk("Emergency Remount complete\n");
 }
 
 void emergency_remount(void)
 {
-        pdflush_operation(do_emergency_remount, 0);
+        struct work_struct *work;
+
+        work = kmalloc(sizeof(*work), GFP_ATOMIC);
+        if (work) {
+                INIT_WORK(work, do_emergency_remount);
+                schedule_work(work);
+        }
 }
 
 /*