The backup_tree_root_gen set/get function defined by
BTRFS_SETGET_STACK_FUNCS macro is missing the prefix stack.

Signed-off-by: Lu Fengqi <lufq.f...@cn.fujitsu.com>
---
 cmds-inspect-dump-super.c | 2 +-
 cmds-inspect-dump-tree.c  | 2 +-
 ctree.h                   | 2 +-
 disk-io.c                 | 8 ++++----
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/cmds-inspect-dump-super.c b/cmds-inspect-dump-super.c
index a9962ee3..69b4da4e 100644
--- a/cmds-inspect-dump-super.c
+++ b/cmds-inspect-dump-super.c
@@ -154,7 +154,7 @@ static void print_root_backup(struct btrfs_root_backup 
*backup)
 {
        printf("\t\tbackup_tree_root:\t%llu\tgen: %llu\tlevel: %d\n",
                        btrfs_stack_backup_tree_root(backup),
-                       btrfs_backup_tree_root_gen(backup),
+                       btrfs_stack_backup_tree_root_gen(backup),
                        btrfs_backup_tree_root_level(backup));
        printf("\t\tbackup_chunk_root:\t%llu\tgen: %llu\tlevel: %d\n",
                        btrfs_backup_chunk_root(backup),
diff --git a/cmds-inspect-dump-tree.c b/cmds-inspect-dump-tree.c
index bb94ae8f..326c8f90 100644
--- a/cmds-inspect-dump-tree.c
+++ b/cmds-inspect-dump-tree.c
@@ -87,7 +87,7 @@ static void print_old_roots(struct btrfs_super_block *super)
                backup = super->super_roots + i;
                printf("btrfs root backup slot %d\n", i);
                printf("\ttree root gen %llu block %llu\n",
-               (unsigned long long)btrfs_backup_tree_root_gen(backup),
+               (unsigned long long)btrfs_stack_backup_tree_root_gen(backup),
                (unsigned long long)btrfs_stack_backup_tree_root(backup));
 
                printf("\t\textent root gen %llu block %llu\n",
diff --git a/ctree.h b/ctree.h
index 189c1b0c..7acc7620 100644
--- a/ctree.h
+++ b/ctree.h
@@ -2111,7 +2111,7 @@ static inline struct btrfs_timespec* btrfs_root_rtime(
 /* struct btrfs_root_backup */
 BTRFS_SETGET_STACK_FUNCS(stack_backup_tree_root, struct btrfs_root_backup,
                   tree_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_tree_root_gen, struct btrfs_root_backup,
+BTRFS_SETGET_STACK_FUNCS(stack_backup_tree_root_gen, struct btrfs_root_backup,
                   tree_root_gen, 64);
 BTRFS_SETGET_STACK_FUNCS(backup_tree_root_level, struct btrfs_root_backup,
                   tree_root_level, 8);
diff --git a/disk-io.c b/disk-io.c
index 8d226e38..ef147a40 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -800,10 +800,10 @@ static int find_best_backup_root(struct btrfs_super_block 
*super)
 
        for (i = 0; i < BTRFS_NUM_BACKUP_ROOTS; i++) {
                backup = super->super_roots + i;
-               if (btrfs_backup_tree_root_gen(backup) != orig_gen &&
-                   btrfs_backup_tree_root_gen(backup) > gen) {
+               if (btrfs_stack_backup_tree_root_gen(backup) != orig_gen &&
+                   btrfs_stack_backup_tree_root_gen(backup) > gen) {
                        best_index = i;
-                       gen = btrfs_backup_tree_root_gen(backup);
+                       gen = btrfs_stack_backup_tree_root_gen(backup);
                }
        }
        return best_index;
@@ -860,7 +860,7 @@ int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info, 
u64 root_tree_bytenr,
                }
                backup = fs_info->super_copy->super_roots + index;
                root_tree_bytenr = btrfs_stack_backup_tree_root(backup);
-               generation = btrfs_backup_tree_root_gen(backup);
+               generation = btrfs_stack_backup_tree_root_gen(backup);
        }
 
        root->node = read_tree_block(fs_info, root_tree_bytenr, generation);
-- 
2.15.1



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