Since g_fs_cache_size only takes effect when creating
g_cache_pool, so spdk_fs_set_cache_size is only
permitted when cache pool is already freed or hasn't
been initialized.
Add a return value to indicate the result
of spdk_fs_set_cache_size.
Change-Id: I3828b136976d6f03f0751b2f20f68cd47c36ec04
Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471869
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2f249ace0c