[1/4] btrfs-progs: cleanup duplicate assignment of variable leaf for btrfs-image
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Message ID 1403142363-29482-1-git-send-email-guihc.fnst@cn.fujitsu.com
State Accepted
Headers show

Commit Message

Gui Hecheng June 19, 2014, 1:46 a.m. UTC
The value of variable leaf in while loop don't have to be set
for every round. Just move it outside.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
---
 btrfs-image.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Patch
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diff --git a/btrfs-image.c b/btrfs-image.c
index cf1fe2d..db5d193 100644
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -1090,8 +1090,9 @@  static int copy_space_cache(struct btrfs_root *root,
 		return ret;
 	}
 
+	leaf = path->nodes[0];
+
 	while (1) {
-		leaf = path->nodes[0];
 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {
 			ret = btrfs_next_leaf(root, path);
 			if (ret < 0) {
@@ -1157,8 +1158,9 @@  static int copy_from_extent_tree(struct metadump_struct *metadump,
 	}
 	ret = 0;
 
+	leaf = path->nodes[0];
+
 	while (1) {
-		leaf = path->nodes[0];
 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {
 			ret = btrfs_next_leaf(extent_root, path);
 			if (ret < 0) {