diff options
Diffstat (limited to 'src/machine/machined-dbus.c')
| -rw-r--r-- | src/machine/machined-dbus.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c index 28134f61bf..6cb70af3aa 100644 --- a/src/machine/machined-dbus.c +++ b/src/machine/machined-dbus.c @@ -34,6 +34,7 @@ #include "formats-util.h" #include "hostname-util.h" #include "image-dbus.h" +#include "io-util.h" #include "machine-dbus.h" #include "machine-image.h" #include "machine-pool.h" @@ -813,6 +814,8 @@ static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus r = sd_bus_message_read(message, "t", &limit); if (r < 0) return r; + if (!FILE_SIZE_VALID_OR_INFINITY(limit)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); r = bus_verify_polkit_async( message, @@ -833,11 +836,14 @@ static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus if (r < 0) return r; - r = btrfs_resize_loopback("/var/lib/machines", limit, false); - if (r == -ENOTTY) - return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); - if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ - return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); + /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ + if (limit != (uint64_t) -1) { + r = btrfs_resize_loopback("/var/lib/machines", limit, false); + if (r == -ENOTTY) + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); + if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ + return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); + } (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |