nfsd: wire up GET_DIR_DELEGATION handling

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Add a new routine for acquiring a read delegation on a directory. These
are recallable-only delegations with no support for CB_NOTIFY. That will
be added in a later phase.

Since the same CB_RECALL/DELEGRETURN infrastructure is used for regular
and directory delegations, a normal nfs4_delegation is used to represent
a directory delegation.

Reviewed-by: NeilBrown <neil@brown.name>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20251111-dir-deleg-ro-v6-16-52f3feebb2f2@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Jeff Layton 2025-11-11 09:12:57 -05:00 • committed by Christian Brauner

parent 80c8afddc8

commit 8b99f6a8c1

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22

fs/nfsd/nfs4proc.c

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100

fs/nfsd/nfs4state.c

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5

fs/nfsd/state.h

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