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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/shared/machine-pool.c | |
parent | Initial commit. (diff) | |
download | systemd-b750101eb236130cf056c675997decbac904cc49.tar.xz systemd-b750101eb236130cf056c675997decbac904cc49.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/shared/machine-pool.c | 51 |
1 files changed, 51 insertions, 0 deletions
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 <errno.h> + +#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; +} |