svcrdma: Add a "deferred close" helper

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Refactor a bit of commonly used logic so that every site that wants
a close deferred to an nfsd thread does all the right things
(set_bit(XPT_CLOSE) then enqueue).

Also, once XPT_CLOSE is set on a transport, it is never cleared. If
XPT_CLOSE is already set, then the close is already being handled
and the enqueue can be skipped.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

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This commit is contained in:

Chuck Lever 2021-02-20 18:53:40 -05:00

parent c558d47596

commit e844d307d4

7 changed files with 30 additions and 24 deletions

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include/linux/sunrpc/svc_xprt.h

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