/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include #include "alloc-util.h" #include "blockdev-util.h" #include "device-util.h" #include "quota-util.h" int quotactl_devnum(int cmd, dev_t devnum, int id, void *addr) { _cleanup_free_ char *devnode = NULL; int r; /* Like quotactl() but takes a dev_t instead of a path to a device node, and fixes caddr_t → void*, * like we should, today */ r = devpath_from_devnum(S_IFBLK, devnum, &devnode); if (r < 0) return r; if (quotactl(cmd, devnode, id, addr) < 0) return -errno; return 0; } int quotactl_path(int cmd, const char *path, int id, void *addr) { dev_t devno; int r; /* Like quotactl() but takes a path to some fs object, and changes the backing file system. I.e. the * argument shouldn't be a block device but a regular file system object */ r = get_block_device(path, &devno); if (r < 0) return r; if (devno == 0) /* Doesn't have a block device */ return -ENODEV; return quotactl_devnum(cmd, devno, id, addr); }