NFS: discard NFS_RPC_SWAPFLAGS and RPC_TASK_ROOTCREDS

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NFS_RPC_SWAPFLAGS is only used for READ requests.
It sets RPC_TASK_SWAPPER which gives some memory-allocation priority to
requests.  This is not needed for swap READ - though it is for writes
where it is set via a different mechanism.

RPC_TASK_ROOTCREDS causes the 'machine' credential to be used.
This is not needed as the root credential is saved when the swap file is
opened, and this is used for all IO.

So NFS_RPC_SWAPFLAGS isn't needed, and as it is the only user of
RPC_TASK_ROOTCREDS, that isn't needed either.

Remove both.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

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NeilBrown 2022-03-07 10:41:44 +11:00 • committed by Trond Myklebust

parent a80a846186

commit 89c2be8a95

5 changed files with 1 additions and 12 deletions

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include/trace/events/sunrpc.h

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