NFS: fix delayed delegation return handling

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Rework this code that was totally busted at least as of my most
recent changes.  Introduce a separate list for delayed delegations
so that they can't get lost and don't clutter up the returns list.
Add a missing spin_unlock in the helper marking it as a regular
pending return.

Fixes: 0ebe655bd0 ("NFS: add a separate delegation return list")
Reported-by: Chris Mason <clm@meta.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>

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This commit is contained in:

Christoph Hellwig 2026-01-28 05:46:09 +01:00 • committed by Anna Schumaker

parent 94b8886510

commit 4039fbedcb

5 changed files with 15 additions and 22 deletions

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1

fs/nfs/client.c

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30

fs/nfs/delegation.c

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1

fs/nfs/delegation.h

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3

fs/nfs/nfs4trace.h

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2

include/linux/nfs_fs_sb.h

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