#include <unistd.h>
#include <getopt.h>
+#include <btrfsutil.h>
+
#include "ctree.h"
#include "ioctl.h"
#include "commands.h"
#include "qgroup.h"
#include "utils.h"
+#include "help.h"
static const char * const qgroup_cmd_group_usage[] = {
"btrfs qgroup <command> [options] <path>",
ret = ioctl(fd, BTRFS_IOC_QGROUP_ASSIGN, &args);
if (ret < 0) {
- error("unable to assign quota group: %s", strerror(errno));
+ error("unable to assign quota group: %m");
close_file_or_dir(fd, dirstream);
return 1;
}
memset(&qargs, 0, sizeof(qargs));
ret = ioctl(fd, BTRFS_IOC_QUOTA_RESCAN, &qargs);
if (ret < 0)
- error("quota rescan failed: %s",
- strerror(errno));
+ error("quota rescan failed: %m");
} else {
warning("quotas may be inconsistent, rescan needed");
}
{
int ret = 0;
int fd;
- int e;
char *path;
struct btrfs_ioctl_qgroup_create_args args;
DIR *dirstream = NULL;
return 1;
ret = ioctl(fd, BTRFS_IOC_QGROUP_CREATE, &args);
- e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0) {
- error("unable to %s quota group: %s",
- create ? "create":"destroy", strerror(e));
+ error("unable to %s quota group: %m",
+ create ? "create":"destroy");
return 1;
}
return 0;
}
static const char * const cmd_qgroup_show_usage[] = {
- "btrfs qgroup show -pcreFf "
- "[--sort=qgroupid,rfer,excl,max_rfer,max_excl] <path>",
+ "btrfs qgroup show [options] <path>",
"Show subvolume quota groups.",
"-p print parent qgroup id",
"-c print child qgroup id",
" list qgroups sorted by specified items",
" you can use '+' or '-' in front of each item.",
" (+:ascending, -:descending, ascending default)",
+ "--sync force sync of the filesystem before getting info",
NULL
};
u64 qgroupid;
int filter_flag = 0;
unsigned unit_mode;
+ int sync = 0;
+ enum btrfs_util_error err;
struct btrfs_qgroup_comparer_set *comparer_set;
struct btrfs_qgroup_filter_set *filter_set;
while (1) {
int c;
+ enum {
+ GETOPT_VAL_SORT = 256,
+ GETOPT_VAL_SYNC
+ };
static const struct option long_options[] = {
- {"sort", required_argument, NULL, 'S'},
+ {"sort", required_argument, NULL, GETOPT_VAL_SORT},
+ {"sync", no_argument, NULL, GETOPT_VAL_SYNC},
{ NULL, 0, NULL, 0 }
};
case 'f':
filter_flag |= 0x2;
break;
- case 'S':
+ case GETOPT_VAL_SORT:
ret = btrfs_qgroup_parse_sort_string(optarg,
&comparer_set);
if (ret)
usage(cmd_qgroup_show_usage);
break;
+ case GETOPT_VAL_SYNC:
+ sync = 1;
+ break;
default:
usage(cmd_qgroup_show_usage);
}
return 1;
}
+ if (sync) {
+ err = btrfs_util_sync_fd(fd);
+ if (err)
+ warning("sync ioctl failed on '%s': %s", path,
+ strerror(errno));
+ }
+
if (filter_flag) {
ret = lookup_path_rootid(fd, &qgroupid);
if (ret < 0) {
qgroupid);
}
ret = btrfs_show_qgroups(fd, filter_set, comparer_set);
- if (ret == -ENOENT)
- error("can't list qgroups: quotas not enabled");
- else if (ret < 0)
- error("can't list qgroups: %s", strerror(-ret));
close_file_or_dir(fd, dirstream);
+ free(filter_set);
+ free(comparer_set);
out:
return !!ret;
{
int ret = 0;
int fd;
- int e;
char *path = NULL;
struct btrfs_ioctl_qgroup_limit_args args;
unsigned long long size;
int compressed = 0;
int exclusive = 0;
DIR *dirstream = NULL;
+ enum btrfs_util_error err;
while (1) {
int c = getopt(argc, argv, "ce");
if (argc - optind == 2) {
args.qgroupid = 0;
path = argv[optind + 1];
- ret = test_issubvolume(path);
- if (ret < 0) {
- error("cannot access '%s': %s", path, strerror(-ret));
- return 1;
- }
- if (!ret) {
- error("'%s' is not a subvolume", path);
+ err = btrfs_util_is_subvolume(path);
+ if (err) {
+ error_btrfs_util(err);
return 1;
}
/*
return 1;
ret = ioctl(fd, BTRFS_IOC_QGROUP_LIMIT, &args);
- e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0) {
- error("unable to limit requested quota group: %s", strerror(e));
+ error("unable to limit requested quota group: %m");
return 1;
}
return 0;