2 * Copyright (C) 2012 STRATO. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
19 #include <sys/ioctl.h>
27 static const char * const quota_cmd_group_usage
[] = {
28 "btrfs quota <command> [options] <path>",
32 int quota_ctl(int cmd
, int argc
, char **argv
)
38 struct btrfs_ioctl_quota_ctl_args args
;
40 if (check_argc_exact(argc
, 2))
43 memset(&args
, 0, sizeof(args
));
46 fd
= open_file_or_dir(path
);
48 fprintf(stderr
, "ERROR: can't access '%s'\n", path
);
52 ret
= ioctl(fd
, BTRFS_IOC_QUOTA_CTL
, &args
);
56 fprintf(stderr
, "ERROR: quota command failed: %s\n",
63 static const char * const cmd_quota_enable_usage
[] = {
64 "btrfs quota enable <path>",
65 "Enable subvolume quota support for a filesystem.",
69 static int cmd_quota_enable(int argc
, char **argv
)
71 int ret
= quota_ctl(BTRFS_QUOTA_CTL_ENABLE
, argc
, argv
);
73 usage(cmd_quota_enable_usage
);
77 static const char * const cmd_quota_disable_usage
[] = {
78 "btrfs quota disable <path>",
79 "Disable subvolume quota support for a filesystem.",
83 static int cmd_quota_disable(int argc
, char **argv
)
85 int ret
= quota_ctl(BTRFS_QUOTA_CTL_DISABLE
, argc
, argv
);
87 usage(cmd_quota_disable_usage
);
91 static const char * const cmd_quota_rescan_usage
[] = {
92 "btrfs quota rescan <path>",
93 "Rescan the subvolume for a changed quota setting.",
97 static int cmd_quota_rescan(int argc
, char **argv
)
99 int ret
= quota_ctl(BTRFS_QUOTA_CTL_RESCAN
, argc
, argv
);
101 usage(cmd_quota_rescan_usage
);
105 const struct cmd_group quota_cmd_group
= {
106 quota_cmd_group_usage
, NULL
, {
107 { "enable", cmd_quota_enable
, cmd_quota_enable_usage
, NULL
, 0 },
108 { "disable", cmd_quota_disable
, cmd_quota_disable_usage
, 0, 0 },
109 { "rescan", cmd_quota_rescan
, cmd_quota_rescan_usage
, NULL
, 0 },
114 int cmd_quota(int argc
, char **argv
)
116 return handle_command_group("a_cmd_group
, argc
, argv
);