[PATCH 03/15] btrfs: Remove EXTENT_FIRST_DELALLOC bit

[Nikolay Borisov]

With the refactoring introduced in 8b62f87bad9c ("Btrfs: reworki
outstanding_extents") this flag became unused. Remove it and renumber
the following flags accordingly. No functional changes.

Signed-off-by: Nikolay Borisov <nbori...@suse.com>
---
 fs/btrfs/extent_io.c |  2 --
 fs/btrfs/extent_io.h | 15 +++++++--------
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 71db9f8bcdaa..01f596d42f59 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -585,7 +585,6 @@ int __clear_extent_bit(struct extent_io_tree *tree, u64 
start, u64 end,
 
        if (delete)
                bits |= ~EXTENT_CTLBITS;
-       bits |= EXTENT_FIRST_DELALLOC;
 
        if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
                clear = 1;
@@ -850,7 +849,6 @@ __set_extent_bit(struct extent_io_tree *tree, u64 start, 
u64 end,
 
        btrfs_debug_check_extent_io_range(tree, start, end);
 
-       bits |= EXTENT_FIRST_DELALLOC;
 again:
        if (!prealloc && gfpflags_allow_blocking(mask)) {
                /*
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 9673be3f3d1f..08749e0b9c32 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -18,17 +18,16 @@
 #define EXTENT_BOUNDARY                (1U << 9)
 #define EXTENT_NODATASUM       (1U << 10)
 #define EXTENT_CLEAR_META_RESV (1U << 11)
-#define EXTENT_FIRST_DELALLOC  (1U << 12)
-#define EXTENT_NEED_WAIT       (1U << 13)
-#define EXTENT_DAMAGED         (1U << 14)
-#define EXTENT_NORESERVE       (1U << 15)
-#define EXTENT_QGROUP_RESERVED (1U << 16)
-#define EXTENT_CLEAR_DATA_RESV (1U << 17)
-#define EXTENT_DELALLOC_NEW    (1U << 18)
+#define EXTENT_NEED_WAIT       (1U << 12)
+#define EXTENT_DAMAGED         (1U << 13)
+#define EXTENT_NORESERVE       (1U << 14)
+#define EXTENT_QGROUP_RESERVED (1U << 15)
+#define EXTENT_CLEAR_DATA_RESV (1U << 16)
+#define EXTENT_DELALLOC_NEW    (1U << 17)
 #define EXTENT_IOBITS          (EXTENT_LOCKED | EXTENT_WRITEBACK)
 #define EXTENT_DO_ACCOUNTING    (EXTENT_CLEAR_META_RESV | \
                                 EXTENT_CLEAR_DATA_RESV)
-#define EXTENT_CTLBITS         (EXTENT_DO_ACCOUNTING | EXTENT_FIRST_DELALLOC)
+#define EXTENT_CTLBITS         (EXTENT_DO_ACCOUNTING)
 
 /*
  * flags for bio submission. The high bits indicate the compression
-- 
2.17.1