diff options
| -rw-r--r-- | fs/btrfs/volumes.c | 20 | ||||
| -rw-r--r-- | fs/btrfs/volumes.h | 5 |
2 files changed, 17 insertions, 8 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 85fa73b32eb0..12260592d37f 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1528,6 +1528,9 @@ static bool contains_pending_extent(struct btrfs_device *device, u64 *start, static u64 dev_extent_search_start(struct btrfs_device *device) { switch (device->fs_devices->chunk_alloc_policy) { + default: + btrfs_warn_unknown_chunk_allocation(device->fs_devices->chunk_alloc_policy); + fallthrough; case BTRFS_CHUNK_ALLOC_REGULAR: return BTRFS_DEVICE_RANGE_RESERVED; case BTRFS_CHUNK_ALLOC_ZONED: @@ -1537,8 +1540,6 @@ static u64 dev_extent_search_start(struct btrfs_device *device) * for superblock logging. */ return 0; - default: - BUG(); } } @@ -1618,6 +1619,9 @@ static bool dev_extent_hole_check(struct btrfs_device *device, u64 *hole_start, } switch (device->fs_devices->chunk_alloc_policy) { + default: + btrfs_warn_unknown_chunk_allocation(device->fs_devices->chunk_alloc_policy); + fallthrough; case BTRFS_CHUNK_ALLOC_REGULAR: /* No extra check */ break; @@ -1632,8 +1636,6 @@ static bool dev_extent_hole_check(struct btrfs_device *device, u64 *hole_start, continue; } break; - default: - BUG(); } break; @@ -5199,14 +5201,15 @@ static void init_alloc_chunk_ctl(struct btrfs_fs_devices *fs_devices, ctl->ndevs = 0; switch (fs_devices->chunk_alloc_policy) { + default: + btrfs_warn_unknown_chunk_allocation(fs_devices->chunk_alloc_policy); + fallthrough; case BTRFS_CHUNK_ALLOC_REGULAR: init_alloc_chunk_ctl_policy_regular(fs_devices, ctl); break; case BTRFS_CHUNK_ALLOC_ZONED: init_alloc_chunk_ctl_policy_zoned(fs_devices, ctl); break; - default: - BUG(); } } @@ -5395,12 +5398,13 @@ static int decide_stripe_size(struct btrfs_fs_devices *fs_devices, ctl->ndevs = min(ctl->ndevs, ctl->devs_max); switch (fs_devices->chunk_alloc_policy) { + default: + btrfs_warn_unknown_chunk_allocation(fs_devices->chunk_alloc_policy); + fallthrough; case BTRFS_CHUNK_ALLOC_REGULAR: return decide_stripe_size_regular(ctl, devices_info); case BTRFS_CHUNK_ALLOC_ZONED: return decide_stripe_size_zoned(ctl, devices_info); - default: - BUG(); } } diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 72b8122938eb..b043c285c409 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -846,6 +846,11 @@ static inline const char *btrfs_dev_name(const struct btrfs_device *device) return rcu_str_deref(device->name); } +static inline void btrfs_warn_unknown_chunk_allocation(enum btrfs_chunk_allocation_policy pol) +{ + WARN_ONCE(1, "unknown allocation policy %d, fallback to regular", pol); +} + void btrfs_commit_device_sizes(struct btrfs_transaction *trans); struct list_head * __attribute_const__ btrfs_get_fs_uuids(void); |