Btrfs: cleanup extent_clear_unlock_delalloc flags
extent_clear_unlock_delalloc has a growing set of ugly parameters
that is very difficult to read and maintain.
This switches to a flag field and well named flag defines.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 4794ec8..41d2a47 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -25,6 +25,15 @@
#define EXTENT_BUFFER_BLOCKING 1
#define EXTENT_BUFFER_DIRTY 2
+/* these are flags for extent_clear_unlock_delalloc */
+#define EXTENT_CLEAR_UNLOCK_PAGE 0x1
+#define EXTENT_CLEAR_UNLOCK 0x2
+#define EXTENT_CLEAR_DELALLOC 0x4
+#define EXTENT_CLEAR_DIRTY 0x8
+#define EXTENT_SET_WRITEBACK 0x10
+#define EXTENT_END_WRITEBACK 0x20
+#define EXTENT_SET_PRIVATE2 0x40
+
/*
* page->private values. Every page that is controlled by the extent
* map has page->private set to one.
@@ -288,10 +297,5 @@
int extent_clear_unlock_delalloc(struct inode *inode,
struct extent_io_tree *tree,
u64 start, u64 end, struct page *locked_page,
- int unlock_page,
- int clear_unlock,
- int clear_delalloc, int clear_dirty,
- int set_writeback,
- int end_writeback,
- int set_private2);
+ unsigned long op);
#endif