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| author | Ingo Molnar <mingo@kernel.org> | 2018-10-23 12:30:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-23 12:30:19 +0200 |
| commit | dda93b45389f025fd3422d22cc31cc1ea6040305 (patch) | |
| tree | 44a856744843e24ed1baf6ca4edb1be04809a606 /drivers/md/dm-cache-target.c | |
| parent | 2e62024c265aa69315ed02835623740030435380 (diff) | |
| parent | b61b8bba18fe2b63d38fdaf9b83de25e2d787dfe (diff) | |
Merge branch 'x86/cache' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/dm-cache-target.c')
| -rw-r--r-- | drivers/md/dm-cache-target.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index a53413371725..e13d991e9fb5 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -3009,8 +3009,13 @@ static dm_cblock_t get_cache_dev_size(struct cache *cache) static bool can_resize(struct cache *cache, dm_cblock_t new_size) { - if (from_cblock(new_size) > from_cblock(cache->cache_size)) - return true; + if (from_cblock(new_size) > from_cblock(cache->cache_size)) { + if (cache->sized) { + DMERR("%s: unable to extend cache due to missing cache table reload", + cache_device_name(cache)); + return false; + } + } /* * We can't drop a dirty block when shrinking the cache. |