Btrfs: Fixes for 2.6.28-rc API changes

* open/close_bdev_excl -> open/close_bdev_exclusive
* blkdev_issue_discard takes a GFP mask now
* Fix blkdev_issue_discard usage now that it is enabled

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h
index cd6598b169df..dd1defdbfa36 100644
--- a/fs/btrfs/compat.h
+++ b/fs/btrfs/compat.h
@@ -21,4 +21,11 @@ static inline struct dentry *d_obtain_alias(struct inode *inode)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
+# define  __pagevec_lru_add_file __pagevec_lru_add
+# define open_bdev_exclusive open_bdev_excl
+# define close_bdev_exclusive(bdev, mode) close_bdev_excl(bdev)
+#endif
+
+
 #endif /* _COMPAT_H_ */