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From: Christoph Hellwig <hch@lst.de>
To: Trond Myklebust <trondmy@kernel.org>
Cc: Anna Schumaker <anna@kernel.org>, linux-nfs@vger.kernel.org
Subject: [PATCH 1/4] NFS: cleanup nfs_inode_reclaim_delegation
Date: Mon, 14 Jul 2025 13:16:28 +0200	[thread overview]
Message-ID: <20250714111651.1565055-2-hch@lst.de> (raw)
In-Reply-To: <20250714111651.1565055-1-hch@lst.de>

Reduce a level of indentation for most of the code in this function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/nfs/delegation.c | 48 ++++++++++++++++++++++-----------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 519bdc91112c..56bb2a7e1793 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -237,34 +237,34 @@ void nfs_inode_reclaim_delegation(struct inode *inode, const struct cred *cred,
 
 	rcu_read_lock();
 	delegation = rcu_dereference(NFS_I(inode)->delegation);
-	if (delegation != NULL) {
-		spin_lock(&delegation->lock);
-		nfs4_stateid_copy(&delegation->stateid, stateid);
-		delegation->type = type;
-		delegation->pagemod_limit = pagemod_limit;
-		oldcred = delegation->cred;
-		delegation->cred = get_cred(cred);
-		switch (deleg_type) {
-		case NFS4_OPEN_DELEGATE_READ_ATTRS_DELEG:
-		case NFS4_OPEN_DELEGATE_WRITE_ATTRS_DELEG:
-			set_bit(NFS_DELEGATION_DELEGTIME, &delegation->flags);
-			break;
-		default:
-			clear_bit(NFS_DELEGATION_DELEGTIME, &delegation->flags);
-		}
-		clear_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags);
-		if (test_and_clear_bit(NFS_DELEGATION_REVOKED,
-				       &delegation->flags))
-			atomic_long_inc(&nfs_active_delegations);
-		spin_unlock(&delegation->lock);
-		rcu_read_unlock();
-		put_cred(oldcred);
-		trace_nfs4_reclaim_delegation(inode, type);
-	} else {
+	if (!delegation) {
 		rcu_read_unlock();
 		nfs_inode_set_delegation(inode, cred, type, stateid,
 					 pagemod_limit, deleg_type);
+		return;
+	}
+
+	spin_lock(&delegation->lock);
+	nfs4_stateid_copy(&delegation->stateid, stateid);
+	delegation->type = type;
+	delegation->pagemod_limit = pagemod_limit;
+	oldcred = delegation->cred;
+	delegation->cred = get_cred(cred);
+	switch (deleg_type) {
+	case NFS4_OPEN_DELEGATE_READ_ATTRS_DELEG:
+	case NFS4_OPEN_DELEGATE_WRITE_ATTRS_DELEG:
+		set_bit(NFS_DELEGATION_DELEGTIME, &delegation->flags);
+		break;
+	default:
+		clear_bit(NFS_DELEGATION_DELEGTIME, &delegation->flags);
 	}
+	clear_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags);
+	if (test_and_clear_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
+		atomic_long_inc(&nfs_active_delegations);
+	spin_unlock(&delegation->lock);
+	rcu_read_unlock();
+	put_cred(oldcred);
+	trace_nfs4_reclaim_delegation(inode, type);
 }
 
 static int nfs_do_return_delegation(struct inode *inode,
-- 
2.47.2


  reply	other threads:[~2025-07-14 11:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-14 11:16 use a hash for looking up delegation Christoph Hellwig
2025-07-14 11:16 ` Christoph Hellwig [this message]
2025-07-14 13:06   ` [PATCH 1/4] NFS: cleanup nfs_inode_reclaim_delegation Jeff Layton
2025-07-14 11:16 ` [PATCH 2/4] NFS: move the delegation_watermark module parameter Christoph Hellwig
2025-07-14 13:06   ` Jeff Layton
2025-07-15  8:03     ` Christoph Hellwig
2025-07-15 11:15       ` Jeff Layton
2025-07-14 11:16 ` [PATCH 3/4] NFS: track active delegations per-server Christoph Hellwig
2025-07-14 13:07   ` Jeff Layton
2025-07-14 11:16 ` [PATCH 4/4] NFS: use a hash table for delegation lookup Christoph Hellwig
2025-07-14 13:14   ` Jeff Layton
2025-07-14 13:18     ` Christoph Hellwig
2025-07-15  8:58     ` Christoph Hellwig
2025-07-15 11:19       ` Jeff Layton
  -- strict thread matches above, loose matches on Subject: below --
2025-07-16 13:26 use a hash for looking up delegation v2 Christoph Hellwig
2025-07-16 13:26 ` [PATCH 1/4] NFS: cleanup nfs_inode_reclaim_delegation Christoph Hellwig

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