From: Omar Sandoval <osan...@fb.com>
Signed-off-by: Omar Sandoval <osan...@fb.com>
---
cmds-subvolume.c | 43 ++++++++-----------------------------------
1 file changed, 8 insertions(+), 35 deletions(-)
diff --git a/cmds-subvolume.c b/cmds-subvolume.c
index 6006a278..700e822c 100644
--- a/cmds-subvolume.c
+++ b/cmds-subvolume.c
@@ -851,11 +851,9 @@ static const char * const cmd_subvol_set_default_usage[] =
{
static int cmd_subvol_set_default(int argc, char **argv)
{
- int ret=0, fd;
- u64 objectid;
- char *path;
- char *subvolid;
- DIR *dirstream = NULL;
+ u64 objectid;
+ char *path;
+ enum btrfs_util_error err;
clean_args_no_options(argc, argv, cmd_subvol_set_default_usage);
@@ -865,42 +863,17 @@ static int cmd_subvol_set_default(int argc, char **argv)
if (argc - optind == 1) {
/* path to the subvolume is specified */
+ objectid = 0;
path = argv[optind];
-
- ret = test_issubvolume(path);
- if (ret < 0) {
- error("stat error: %s", strerror(-ret));
- return 1;
- } else if (!ret) {
- error("'%s' is not a subvolume", path);
- return 1;
- }
-
- fd = btrfs_open_dir(path, &dirstream, 1);
- if (fd < 0)
- return 1;
-
- ret = lookup_path_rootid(fd, &objectid);
- if (ret) {
- error("unable to get subvol id: %s", strerror(-ret));
- close_file_or_dir(fd, dirstream);
- return 1;
- }
} else {
/* subvol id and path to the filesystem are specified */
- subvolid = argv[optind];
+ objectid = arg_strtou64(argv[optind]);
path = argv[optind + 1];
- objectid = arg_strtou64(subvolid);
-
- fd = btrfs_open_dir(path, &dirstream, 1);
- if (fd < 0)
- return 1;
}
- ret = ioctl(fd, BTRFS_IOC_DEFAULT_SUBVOL, &objectid);
- close_file_or_dir(fd, dirstream);
- if (ret < 0) {
- error("unable to set a new default subvolume: %m");
+ err = btrfs_util_set_default_subvolume(path, objectid);
+ if (err) {
+ error_btrfs_util(err);
return 1;
}
return 0;
--
2.16.1
--
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