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btrfs-progs: make sure btrfs-zero-log writes something

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The close_ctree code does a check to see if the FS has
changed before it does any IO.  This forces the commit.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2011-11-21 10:27:17 -05:00
parent 13eced9a0c
commit 6da41f2a74
1 changed files with 3 additions and 0 deletions
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3
btrfs-zero-log.c
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@ -42,6 +42,7 @@ static void print_usage(void)
int main(int ac, char **av)
{
struct btrfs_root *root;
struct btrfs_trans_handle *trans;
int ret;
if (ac != 2)
@ -62,8 +63,10 @@ int main(int ac, char **av)
if (root == NULL)
return 1;
trans = btrfs_start_transaction(root, 1);
btrfs_set_super_log_root(&root->fs_info->super_copy, 0);
btrfs_set_super_log_root_level(&root->fs_info->super_copy, 0);
btrfs_commit_transaction(trans, root);
close_ctree(root);
return ret;
}