[PATCH 01/20] filelock: split common fields into struct file_lock_core

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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@xxxxxxxxxx>
---
 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





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