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RPC/RDMA: harden connection logic against missing/late rdma_cm upcalls.

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Add defensive timeouts to wait_for_completion() calls in RDMA
address resolution, and make them interruptible. Fix the timeout
units to milliseconds (formerly jiffies) and move to private header.

Signed-off-by: Tom Talpey <talpey@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Tom Talpey
2008-10-09 15:01:41 -04:00
committed by Trond Myklebust
parent 1a954051b0
commit 5675add36e
3 changed files with 10 additions and 7 deletions
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3
include/linux/sunrpc/xprtrdma.h
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@@ -66,9 +66,6 @@
#define RPCRDMA_INLINE_PAD_THRESH (512)/* payload threshold to pad (bytes) */
#define RDMA_RESOLVE_TIMEOUT (5*HZ) /* TBD 5 seconds */
#define RDMA_CONNECT_RETRY_MAX (2) /* retries if no listener backlog */
/* memory registration strategies */
#define RPCRDMA_PERSISTENT_REGISTRATION (1)