46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <errno.h>
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#include "btrfs-util.h"
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#include "label.h"
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#include "machine-pool.h"
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#include "missing_magic.h"
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#include "stat-util.h"
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static int check_btrfs(void) {
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struct statfs sfs;
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if (statfs("/var/lib/machines", &sfs) < 0) {
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if (errno != ENOENT)
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return -errno;
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if (statfs("/var/lib", &sfs) < 0)
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return -errno;
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}
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return F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC);
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}
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int setup_machine_directory(sd_bus_error *error) {
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int r;
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r = check_btrfs();
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if (r < 0)
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return sd_bus_error_set_errnof(error, r, "Failed to determine whether /var/lib/machines is located on btrfs: %m");
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if (r == 0)
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return 0;
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(void) btrfs_subvol_make_label("/var/lib/machines");
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r = btrfs_quota_enable("/var/lib/machines", true);
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if (r < 0)
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log_warning_errno(r, "Failed to enable quota for /var/lib/machines, ignoring: %m");
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r = btrfs_subvol_auto_qgroup("/var/lib/machines", 0, true);
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if (r < 0)
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log_warning_errno(r, "Failed to set up default quota hierarchy for /var/lib/machines, ignoring: %m");
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return 1;
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}
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