#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>",
NULL
};
-static int qgroup_assign(int assign, int argc, char **argv)
+static int _cmd_qgroup_assign(int assign, int argc, char **argv,
+ const char * const *usage_str)
{
int ret = 0;
int fd;
- int e;
int rescan = 0;
char *path;
struct btrfs_ioctl_qgroup_assign_args args;
DIR *dirstream = NULL;
- while (1) {
- enum { GETOPT_VAL_RESCAN = 256 };
- static const struct option long_options[] = {
- { "rescan", no_argument, NULL, GETOPT_VAL_RESCAN },
- { NULL, 0, NULL, 0 }
- };
- int c = getopt_long(argc, argv, "", long_options, NULL);
-
- if (c < 0)
- break;
- switch (c) {
- case GETOPT_VAL_RESCAN:
- rescan = 1;
- break;
- default:
- /* Usage printed by the caller */
- return -1;
+ if (assign) {
+ while (1) {
+ enum { GETOPT_VAL_RESCAN = 256, GETOPT_VAL_NO_RESCAN };
+ static const struct option long_options[] = {
+ { "rescan", no_argument, NULL,
+ GETOPT_VAL_RESCAN },
+ { "no-rescan", no_argument, NULL,
+ GETOPT_VAL_NO_RESCAN },
+ { NULL, 0, NULL, 0 }
+ };
+ int c = getopt_long(argc, argv, "", long_options, NULL);
+
+ if (c < 0)
+ break;
+ switch (c) {
+ case GETOPT_VAL_RESCAN:
+ rescan = 1;
+ break;
+ case GETOPT_VAL_NO_RESCAN:
+ rescan = 0;
+ break;
+ default:
+ /* Usage printed by the caller */
+ return -1;
+ }
}
+ } else {
+ clean_args_no_options(argc, argv, usage_str);
}
if (check_argc_exact(argc - optind, 3))
- return -1;
+ usage(usage_str);
memset(&args, 0, sizeof(args));
args.assign = assign;
return 1;
ret = ioctl(fd, BTRFS_IOC_QGROUP_ASSIGN, &args);
- e = errno;
if (ret < 0) {
- error("unable to assign quota group: %s", strerror(e));
+ error("unable to assign quota group: %m");
close_file_or_dir(fd, dirstream);
return 1;
}
*/
if (ret > 0) {
if (rescan) {
- struct btrfs_ioctl_quota_rescan_args args;
+ struct btrfs_ioctl_quota_rescan_args qargs;
printf("Quota data changed, rescan scheduled\n");
- memset(&args, 0, sizeof(args));
- ret = ioctl(fd, BTRFS_IOC_QUOTA_RESCAN, &args);
+ 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");
}
return ret;
}
-static int qgroup_create(int create, int argc, char **argv)
+static int _cmd_qgroup_create(int create, int argc, char **argv)
{
int ret = 0;
int fd;
- int e;
- char *path = argv[2];
+ char *path;
struct btrfs_ioctl_qgroup_create_args args;
DIR *dirstream = NULL;
- if (check_argc_exact(argc, 3))
+ if (check_argc_exact(argc - optind, 2))
return -1;
memset(&args, 0, sizeof(args));
args.create = create;
- args.qgroupid = parse_qgroupid(argv[1]);
+ args.qgroupid = parse_qgroupid(argv[optind]);
+ path = argv[optind + 1];
fd = btrfs_open_dir(path, &dirstream, 1);
if (fd < 0)
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;
"Assign SRC as the child qgroup of DST",
"",
"--rescan schedule qutoa rescan if needed",
- "--no-rescan ",
+ "--no-rescan don't schedule quota rescan",
NULL
};
static int cmd_qgroup_assign(int argc, char **argv)
{
- int ret = qgroup_assign(1, argc, argv);
- if (ret < 0)
- usage(cmd_qgroup_assign_usage);
- return ret;
+ return _cmd_qgroup_assign(1, argc, argv, cmd_qgroup_assign_usage);
}
static const char * const cmd_qgroup_remove_usage[] = {
static int cmd_qgroup_remove(int argc, char **argv)
{
- int ret = qgroup_assign(0, argc, argv);
- if (ret < 0)
- usage(cmd_qgroup_remove_usage);
- return ret;
+ return _cmd_qgroup_assign(0, argc, argv, cmd_qgroup_remove_usage);
}
static const char * const cmd_qgroup_create_usage[] = {
static int cmd_qgroup_create(int argc, char **argv)
{
- int ret = qgroup_create(1, argc, argv);
+ int ret;
+
+ clean_args_no_options(argc, argv, cmd_qgroup_create_usage);
+
+ ret = _cmd_qgroup_create(1, argc, argv);
+
if (ret < 0)
usage(cmd_qgroup_create_usage);
return ret;
static int cmd_qgroup_destroy(int argc, char **argv)
{
- int ret = qgroup_create(0, argc, argv);
+ int ret;
+
+ clean_args_no_options(argc, argv, cmd_qgroup_destroy_usage);
+
+ ret = _cmd_qgroup_create(0, argc, argv);
+
if (ret < 0)
usage(cmd_qgroup_destroy_usage);
return ret;
}
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
};
char *path;
int ret = 0;
int fd;
- int e;
DIR *dirstream = 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;
unit_mode = get_unit_mode_from_arg(&argc, argv, 0);
- optind = 1;
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);
}
path = argv[optind];
fd = btrfs_open_dir(path, &dirstream, 1);
if (fd < 0) {
- btrfs_qgroup_free_filter_set(filter_set);
- btrfs_qgroup_free_comparer_set(comparer_set);
+ free(filter_set);
+ free(comparer_set);
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) {
- qgroupid = btrfs_get_path_rootid(fd);
+ ret = lookup_path_rootid(fd, &qgroupid);
+ if (ret < 0) {
+ error("cannot resolve rootid for %s: %s",
+ path, strerror(-ret));
+ close_file_or_dir(fd, dirstream);
+ goto out;
+ }
if (filter_flag & 0x1)
btrfs_qgroup_setup_filter(&filter_set,
BTRFS_QGROUP_FILTER_ALL_PARENT,
qgroupid);
}
ret = btrfs_show_qgroups(fd, filter_set, comparer_set);
- e = errno;
close_file_or_dir(fd, dirstream);
- if (ret < 0)
- error("can't list qgroups: %s", strerror(e));
+ 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;
- optind = 1;
while (1) {
int c = getopt(argc, argv, "ce");
if (c < 0)
if (argc - optind == 2) {
args.qgroupid = 0;
path = argv[optind + 1];
- ret = test_issubvolume(path);
- if (ret < 0) {
- error("cannot access '%s'", path);
- 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;
projects / platform / upstream / btrfs-progs.git / blobdiff