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Description of problem: When nl-cache is enabled, glusterfs crash while activating graph. Version-Release number of selected component (if applicable): How reproducible: Every time Steps to Reproduce: 1. enable nl-cache 2. run glusterfs 3. Actual results: glusterfs client crash Expected results: glusterfs run without error Additional info: This problem is in glusterfs_ctx_tw_get(). When ctx->tw is initialized to call glusterfs_ctx_tw_get, will call GF_REF_GET to add refcount and return the existing ctx->tw pointer. However, return of GF_REF_GET is an integer of ref counter, but incorrectly use as pointer to return.
I don't have permission to submit it to gerrit. Signing in with GitHub account gave me a result of "forbidden". Thus I put my fix here FYI. https://github.com/zhanghuan/glusterfs-1/commit/edd98bd8bf5b2efe1cd067028096eef9ed585dc6
Poornima - Could you have a look at the patch provided by Zhang and port it in gerrit?
Oops, it is my mistake that this is NOT an issue in master. Sorry for the inconvenience. I will close it.