adb6fa7ffe
CPU#0 CPU#1 ----------------------------- ----------------------------- rpc_kill_sb sn->pipefs_sb = NULL rpc_release_client (UMOUNT_EVENT) rpc_free_auth rpc_pipefs_event rpc_get_client_for_event !atomic_inc_not_zero(cl_count) <skip the client> atomic_inc(cl_count) rpc_free_client rpc_clnt_remove_pipedir <skip client dir removing> To fix this, this patch does the following: 1) Calls RPC_PIPEFS_UMOUNT notification with sn->pipefs_sb_lock being held. 2) Removes SUNRPC client from the list AFTER pipes destroying. 3) Doesn't hold RPC client on notification: if client in the list, then it can't be destroyed while sn->pipefs_sb_lock in hold by notification caller. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> |
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.. | ||
auth_gss | ||
xprtrdma | ||
Kconfig | ||
Makefile | ||
addr.c | ||
auth.c | ||
auth_generic.c | ||
auth_null.c | ||
auth_unix.c | ||
backchannel_rqst.c | ||
bc_svc.c | ||
cache.c | ||
clnt.c | ||
netns.h | ||
rpc_pipe.c | ||
rpcb_clnt.c | ||
sched.c | ||
socklib.c | ||
stats.c | ||
sunrpc.h | ||
sunrpc_syms.c | ||
svc.c | ||
svc_xprt.c | ||
svcauth.c | ||
svcauth_unix.c | ||
svcsock.c | ||
sysctl.c | ||
timer.c | ||
xdr.c | ||
xprt.c | ||
xprtsock.c |