From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 17 Apr 2007 19:40:34 +0000 (-0400)
Subject: rework csum and extent item ordering
X-Git-Tag: upstream/0.20.rc1~410
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8d1d13c786b6edca8c8fa3d4f4c8763948f43502;p=platform%2Fupstream%2Fbtrfs-progs.git

rework csum and extent item ordering
---

diff --git a/ctree.c b/ctree.c
index b2befb2..01baa0b 100644
--- a/ctree.c
+++ b/ctree.c
@@ -107,14 +107,14 @@ static int comp_keys(struct btrfs_disk_key *disk, struct btrfs_key *k2)
 		return 1;
 	if (k1.objectid < k2->objectid)
 		return -1;
-	if (k1.offset > k2->offset)
-		return 1;
-	if (k1.offset < k2->offset)
-		return -1;
 	if (k1.flags > k2->flags)
 		return 1;
 	if (k1.flags < k2->flags)
 		return -1;
+	if (k1.offset > k2->offset)
+		return 1;
+	if (k1.offset < k2->offset)
+		return -1;
 	return 0;
 }
 
diff --git a/ctree.h b/ctree.h
index 5cf28be..64ce3a7 100644
--- a/ctree.h
+++ b/ctree.h
@@ -40,14 +40,14 @@ struct btrfs_trans_handle;
  */
 struct btrfs_disk_key {
 	__le64 objectid;
-	__le64 offset;
 	__le32 flags;
+	__le64 offset;
 } __attribute__ ((__packed__));
 
 struct btrfs_key {
 	u64 objectid;
-	u64 offset;
 	u32 flags;
+	u64 offset;
 } __attribute__ ((__packed__));
 
 /*
@@ -223,7 +223,6 @@ struct btrfs_file_extent_item {
 } __attribute__ ((__packed__));
 
 struct btrfs_csum_item {
-	__le64 extent_offset;
 	u8 csum[BTRFS_CSUM_SIZE];
 } __attribute__ ((__packed__));
 
@@ -912,17 +911,6 @@ static inline void btrfs_set_file_extent_num_blocks(struct
 	e->num_blocks = cpu_to_le64(val);
 }
 
-static inline u64 btrfs_csum_extent_offset(struct btrfs_csum_item *c)
-{
-	return le64_to_cpu(c->extent_offset);
-}
-
-static inline void btrfs_set_csum_extent_offset(struct btrfs_csum_item *c,
-						u64 val)
-{
-	c->extent_offset = cpu_to_le64(val);
-}
-
 static inline u16 btrfs_device_pathlen(struct btrfs_device_item *d)
 {
 	return le16_to_cpu(d->pathlen);
diff --git a/print-tree.c b/print-tree.c
index 2fac77e..31051a8 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -28,11 +28,11 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
 	for (i = 0 ; i < nr ; i++) {
 		item = l->items + i;
 		type = btrfs_disk_key_type(&item->key);
-		printf("\titem %d key (%Lu %Lu %u) itemoff %d itemsize %d\n",
+		printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
 			i,
 			btrfs_disk_key_objectid(&item->key),
-			btrfs_disk_key_offset(&item->key),
 			btrfs_disk_key_flags(&item->key),
+			btrfs_disk_key_offset(&item->key),
 			btrfs_item_offset(item),
 			btrfs_item_size(item));
 		switch (type) {