SUNRPC: remove the maximum number of retries in call_bind_status
authorDai Ngo <dai.ngo@oracle.com>
Tue, 18 Apr 2023 20:19:02 +0000 (13:19 -0700)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Wed, 19 Apr 2023 21:06:02 +0000 (17:06 -0400)
commit691d0b782066a6eeeecbfceb7910a8f6184e6105
treef6844c2a592dfe5558648381234626d736d0a3eb
parentec108d3cc7663db06dc3fe38a25391b3b7f925f6
SUNRPC: remove the maximum number of retries in call_bind_status

Currently call_bind_status places a hard limit of 3 to the number of
retries on EACCES error. This limit was done to prevent NLM unlock
requests from being hang forever when the server keeps returning garbage.
However this change causes problem for cases when NLM service takes
longer than 9 seconds to register with the port mapper after a restart.

This patch removes this hard coded limit and let the RPC handles
the retry based on the standard hard/soft task semantics.

Fixes: 0b760113a3a1 ("NLM: Don't hang forever on NLM unlock requests")
Reported-by: Helen Chao <helen.chao@oracle.com>
Tested-by: Helen Chao <helen.chao@oracle.com>
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
include/linux/sunrpc/sched.h
net/sunrpc/clnt.c
net/sunrpc/sched.c