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From: Jeff Layton <jlayton@kernel.org>
Date: Tue, 16 Jan 2024 14:45:57 -0500
Subject: [PATCH 01/20] filelock: split common fields into struct
 file_lock_core
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To: Christian Brauner <brauner@kernel.org>, 
 Alexander Viro <viro@zeniv.linux.org.uk>, 
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Cc: linux-kernel@vger.kernel.org, v9fs@lists.linux.dev, 
 linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, 
 gfs2@lists.linux.dev, linux-fsdevel@vger.kernel.org, 
 linux-nfs@vger.kernel.org, ocfs2-devel@lists.linux.dev, 
 linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, 
 linux-trace-kernel@vger.kernel.org, Jeff Layton <jlayton@kernel.org>

In a future patch, we're going to split file leases into their own
structure. Since a lot of the underlying machinery uses the same fields
move those into a new file_lock_core, and embed that inside struct
file_lock.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 include/linux/filelock.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/linux/filelock.h b/include/linux/filelock.h
index 95e868e09e29..7825511c1c11 100644
--- a/include/linux/filelock.h
+++ b/include/linux/filelock.h
@@ -85,8 +85,9 @@ bool opens_in_grace(struct net *);
  *
  * Obviously, the last two criteria only matter for POSIX locks.
  */
-struct file_lock {
-	struct file_lock *fl_blocker;	/* The lock, that is blocking us */
+
+struct file_lock_core {
+	struct file_lock *fl_blocker;	/* The lock that is blocking us */
 	struct list_head fl_list;	/* link into file_lock_context */
 	struct hlist_node fl_link;	/* node in global lists */
 	struct list_head fl_blocked_requests;	/* list of requests with
@@ -102,6 +103,10 @@ struct file_lock {
 	int fl_link_cpu;		/* what cpu's list is this on? */
 	wait_queue_head_t fl_wait;
 	struct file *fl_file;
+};
+
+struct file_lock {
+	struct file_lock_core fl_core;
 	loff_t fl_start;
 	loff_t fl_end;
 

-- 
2.43.0