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btrfs-progs
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btrfs-progs: calc-size: use on-stack buffer for a helper structure 

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2015-11-06 18:20:52 +01:00
parent ebe04a2351
commit b023281d3b
1 changed files with 4 additions and 12 deletions
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16
btrfs-calc-size.c
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@ -436,9 +436,8 @@ static void usage(void)
int main(int argc, char **argv)
{
struct btrfs_key key;
struct fs_root *roots;
struct fs_root roots;
struct btrfs_root *root;
size_t fs_roots_size = sizeof(struct fs_root);
int opt;
int ret = 0;
@ -482,12 +481,6 @@ int main(int argc, char **argv)
exit(1);
}
roots = malloc(fs_roots_size);
if (!roots) {
fprintf(stderr, "No memory\n");
goto out;
}
printf("Calculating size of root tree\n");
key.objectid = BTRFS_ROOT_TREE_OBJECTID;
ret = calc_root_size(root, &key, 0);
@ -506,15 +499,14 @@ int main(int argc, char **argv)
if (ret)
goto out;
roots[0].key.objectid = BTRFS_FS_TREE_OBJECTID;
roots[0].key.offset = (u64)-1;
roots.key.objectid = BTRFS_FS_TREE_OBJECTID;
roots.key.offset = (u64)-1;
printf("Calculatin' size of fs tree\n");
ret = calc_root_size(root, &roots[0].key, 1);
ret = calc_root_size(root, &roots.key, 1);
if (ret)
goto out;
out:
close_ctree(root);
free(roots);
btrfs_close_all_devices();
return ret;
}