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Add asserts in case of detached cache.

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2019-04-18 10:17:51 -04:00
parent ea66039326
commit f62c53862d
2 changed files with 14 additions and 3 deletions
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13
modules/cas_cache/layer_cache_management.c
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@ -1232,9 +1232,15 @@ int cache_mng_init_instance(struct ocf_mngt_cache_config *cfg,
} }
if (cmd) { if (cmd) {
ocf_volume_t cache_obj = ocf_cache_get_volume(cache); ocf_volume_t cache_obj;
struct bd_object *bd_cache_obj = bd_object(cache_obj); struct bd_object *bd_cache_obj;
struct block_device *bdev = bd_cache_obj->btm_bd; struct block_device *bdev;
cache_obj = ocf_cache_get_volume(cache);
BUG_ON(!cache_obj);
bd_cache_obj = bd_object(cache_obj);
bdev = bd_cache_obj->btm_bd;
/* If we deal with whole device, reread partitions */ /* If we deal with whole device, reread partitions */
if (bdev->bd_contains == bdev) if (bdev->bd_contains == bdev)
@ -1641,6 +1647,7 @@ int cache_mng_get_info(struct kcas_cache_info *info)
if (info->info.attached) { if (info->info.attached) {
uuid = ocf_cache_get_uuid(cache); uuid = ocf_cache_get_uuid(cache);
BUG_ON(!uuid);
strlcpy(info->cache_path_name, uuid->data, strlcpy(info->cache_path_name, uuid->data,
min(sizeof(info->cache_path_name), uuid->size)); min(sizeof(info->cache_path_name), uuid->size));

4
modules/cas_cache/volume/vol_block_dev_top.c
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@ -543,6 +543,8 @@ void _blockdev_set_exported_object_flush_fua(ocf_core_t core)
struct request_queue *core_q, *exp_q, *cache_q; struct request_queue *core_q, *exp_q, *cache_q;
bool flush, fua; bool flush, fua;
BUG_ON(!cache_vol);
bd_core_vol = bd_object(core_vol); bd_core_vol = bd_object(core_vol);
bd_cache_vol = bd_object(cache_vol); bd_cache_vol = bd_object(cache_vol);
@ -624,6 +626,8 @@ static int _blockdev_set_geometry(struct casdsk_disk *dsk, void *private)
cache = ocf_core_get_cache(core); cache = ocf_core_get_cache(core);
core_vol = ocf_core_get_volume(core); core_vol = ocf_core_get_volume(core);
cache_vol = ocf_cache_get_volume(cache); cache_vol = ocf_cache_get_volume(cache);
BUG_ON(!cache_vol);
bd_cache_vol = bd_object(cache_vol); bd_cache_vol = bd_object(cache_vol);
path = ocf_volume_get_uuid(core_vol)->data; path = ocf_volume_get_uuid(core_vol)->data;