Merge branch 'board-specific' of git://github.com/hzhuang1/linux into next/boards

* 'board-specific' of git://github.com/hzhuang1/linux: (5 commits)
  ARM: pxa: add dummy clock for pxa25x and pxa27x
  ARM: mmp: append irq name of gpio device
  pxa/hx4700: Fix PXA_GPIO_IRQ_BASE/IRQ_NUM values
  pxa/hx4700: Add ASIC3 LED support
  pxa/hx4700: Correct StrataFlash block size discovery

(update to v3.3-rc5)

1 files changed, 22 insertions, 0 deletions

diff --git a/fs/super.c b/fs/super.c
index 6015c02296b7..6277ec6cb60a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -634,6 +634,28 @@ rescan:
 EXPORT_SYMBOL(get_super);
 
 /**
+ *	get_super_thawed - get thawed superblock of a device
+ *	@bdev: device to get the superblock for
+ *
+ *	Scans the superblock list and finds the superblock of the file system
+ *	mounted on the device. The superblock is returned once it is thawed
+ *	(or immediately if it was not frozen). %NULL is returned if no match
+ *	is found.
+ */
+struct super_block *get_super_thawed(struct block_device *bdev)
+{
+	while (1) {
+		struct super_block *s = get_super(bdev);
+		if (!s || s->s_frozen == SB_UNFROZEN)
+			return s;
+		up_read(&s->s_umount);
+		vfs_check_frozen(s, SB_FREEZE_WRITE);
+		put_super(s);
+	}
+}
+EXPORT_SYMBOL(get_super_thawed);
+
+/**
  * get_active_super - get an active reference to the superblock of a device
  * @bdev: device to get the superblock for
  *