filesystem freeze: allow SysRq emergency thaw to thaw frozen filesystems

[mirror_ubuntu-artful-kernel.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 87e7bfc5ebd7f5e198b324f4b7d6877f664856a7..61211ad823fe6b4e251e048866751cffd4409741 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1878,6 +1878,7 @@ extern struct block_device *open_by_devnum(dev_t, fmode_t);
 extern void invalidate_bdev(struct block_device *);
 extern int sync_blockdev(struct block_device *bdev);
 extern struct super_block *freeze_bdev(struct block_device *);
+extern void emergency_thaw_all(void);
 extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
 extern int fsync_bdev(struct block_device *);
 extern int fsync_super(struct super_block *);