linux-kernel - [PATCH v2 1/2] fs/netfs: remove unused flag NETFS_RREQ_DONT_UNLOCK

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Message-ID: <20250428204739.3405489-1-max.kellermann@ionos.com>
Date: Mon, 28 Apr 2025 22:47:38 +0200
From: Max Kellermann <max.kellermann@...os.com>
To: dhowells@...hat.com,
	netfs@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: Max Kellermann <max.kellermann@...os.com>
Subject: [PATCH v2 1/2] fs/netfs: remove unused flag NETFS_RREQ_DONT_UNLOCK_FOLIOS

NETFS_RREQ_DONT_UNLOCK_FOLIOS has never been used ever since it was
added by commit 3d3c95046742 ("netfs: Provide readahead and readpage
netfs helpers").

Signed-off-by: Max Kellermann <max.kellermann@...os.com>
---
v1 -> v2: split into two patches, see
  https://lore.kernel.org/netfs/88831.1745855591@warthog.procyon.org.uk/
---
 fs/netfs/read_collect.c | 14 ++++++--------
 include/linux/netfs.h   |  1 -
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/fs/netfs/read_collect.c b/fs/netfs/read_collect.c
index 23c75755ad4e..173433d61ea6 100644
--- a/fs/netfs/read_collect.c
+++ b/fs/netfs/read_collect.c
@@ -83,14 +83,12 @@ static void netfs_unlock_read_folio(struct netfs_io_request *rreq,
 	}
 
 just_unlock:
-	if (!test_bit(NETFS_RREQ_DONT_UNLOCK_FOLIOS, &rreq->flags)) {
-		if (folio->index == rreq->no_unlock_folio &&
-		    test_bit(NETFS_RREQ_NO_UNLOCK_FOLIO, &rreq->flags)) {
-			_debug("no unlock");
-		} else {
-			trace_netfs_folio(folio, netfs_folio_trace_read_unlock);
-			folio_unlock(folio);
-		}
+	if (folio->index == rreq->no_unlock_folio &&
+	    test_bit(NETFS_RREQ_NO_UNLOCK_FOLIO, &rreq->flags)) {
+		_debug("no unlock");
+	} else {
+		trace_netfs_folio(folio, netfs_folio_trace_read_unlock);
+		folio_unlock(folio);
 	}
 
 	folioq_clear(folioq, slot);
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index c86a11cfc4a3..ab6f5e0c38c7 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -268,7 +268,6 @@ struct netfs_io_request {
 	unsigned long		flags;
 #define NETFS_RREQ_OFFLOAD_COLLECTION	0	/* Offload collection to workqueue */
 #define NETFS_RREQ_NO_UNLOCK_FOLIO	2	/* Don't unlock no_unlock_folio on completion */
-#define NETFS_RREQ_DONT_UNLOCK_FOLIOS	3	/* Don't unlock the folios on completion */
 #define NETFS_RREQ_FAILED		4	/* The request failed */
 #define NETFS_RREQ_IN_PROGRESS		5	/* Unlocked when the request completes */
 #define NETFS_RREQ_FOLIO_COPY_TO_CACHE	6	/* Copy current folio to cache from read */
-- 
2.47.2