From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/shared/machine-pool.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/shared/machine-pool.c (limited to 'src/shared/machine-pool.c') diff --git a/src/shared/machine-pool.c b/src/shared/machine-pool.c new file mode 100644 index 0000000..fb0b2f5 --- /dev/null +++ b/src/shared/machine-pool.c @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "btrfs-util.h" +#include "label.h" +#include "machine-pool.h" +#include "missing_magic.h" +#include "stat-util.h" + +static int check_btrfs(void) { + struct statfs sfs; + + if (statfs("/var/lib/machines", &sfs) < 0) { + if (errno != ENOENT) + return -errno; + + if (statfs("/var/lib", &sfs) < 0) + return -errno; + } + + return F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC); +} + +int setup_machine_directory(sd_bus_error *error, bool use_btrfs_subvol, bool use_btrfs_quota) { + int r; + + r = check_btrfs(); + if (r < 0) + return sd_bus_error_set_errnof(error, r, "Failed to determine whether /var/lib/machines is located on btrfs: %m"); + if (r == 0) + return 0; + + if (!use_btrfs_subvol) + return 0; + + (void) btrfs_subvol_make_label("/var/lib/machines"); + + if (!use_btrfs_quota) + return 0; + + r = btrfs_quota_enable("/var/lib/machines", true); + if (r < 0) + log_warning_errno(r, "Failed to enable quota for /var/lib/machines, ignoring: %m"); + + r = btrfs_subvol_auto_qgroup("/var/lib/machines", 0, true); + if (r < 0) + log_warning_errno(r, "Failed to set up default quota hierarchy for /var/lib/machines, ignoring: %m"); + + return 0; +} -- cgit v1.2.3