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path: root/drivers/md/bcache/super.c
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Diffstat (limited to 'drivers/md/bcache/super.c')
-rw-r--r--drivers/md/bcache/super.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 29dd1e8..72fbaf7 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1284,6 +1284,9 @@ int bch_flash_dev_create(struct cache_set *c, uint64_t size)
if (test_bit(CACHE_SET_STOPPING, &c->flags))
return -EINTR;
+ if (!test_bit(CACHE_SET_RUNNING, &c->flags))
+ return -EPERM;
+
u = uuid_find_empty(c);
if (!u) {
pr_err("Can't create volume, no room for UUID");
@@ -1706,6 +1709,7 @@ static void run_cache_set(struct cache_set *c)
flash_devs_run(c);
+ set_bit(CACHE_SET_RUNNING, &c->flags);
return;
err:
closure_sync(&cl);
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