add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/fs/fscache/object.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* FS-Cache object state machine handler
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  *
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  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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  * Written by David Howells (dhowells@redhat.com)
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  *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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- *
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- * See Documentation/filesystems/caching/object.txt for a description of the
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+ * See Documentation/filesystems/caching/object.rst for a description of the
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  * object state machine and the in-kernel representations.
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  */
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10
 
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@@ -299,7 +295,7 @@
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  *
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  * Initialise a cache object description to its basic values.
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  *
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- * See Documentation/filesystems/caching/backend-api.txt for a complete
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+ * See Documentation/filesystems/caching/backend-api.rst for a complete
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  * description.
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  */
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 void fscache_object_init(struct fscache_object *object,
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@@ -811,6 +807,8 @@
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 }
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 EXPORT_SYMBOL(fscache_object_destroy);
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+static DECLARE_WAIT_QUEUE_HEAD(fscache_object_cong_wait);
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+
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 /*
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  * enqueue an object for metadata-type processing
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  */
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@@ -819,16 +817,12 @@
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 	_enter("{OBJ%x}", object->debug_id);
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 	if (fscache_get_object(object, fscache_obj_get_queue) >= 0) {
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-		wait_queue_head_t *cong_wq =
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-			&get_cpu_var(fscache_object_cong_wait);
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 		if (queue_work(fscache_object_wq, &object->work)) {
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 			if (fscache_object_congested())
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-				wake_up(cong_wq);
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+				wake_up(&fscache_object_cong_wait);
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 		} else
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 			fscache_put_object(object, fscache_obj_put_queue);
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-
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-		put_cpu_var(fscache_object_cong_wait);
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 	}
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 }
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@@ -846,16 +840,15 @@
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  */
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 bool fscache_object_sleep_till_congested(signed long *timeoutp)
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 {
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-	wait_queue_head_t *cong_wq = this_cpu_ptr(&fscache_object_cong_wait);
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 	DEFINE_WAIT(wait);
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 	if (fscache_object_congested())
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 		return true;
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-	add_wait_queue_exclusive(cong_wq, &wait);
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+	add_wait_queue_exclusive(&fscache_object_cong_wait, &wait);
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 	if (!fscache_object_congested())
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 		*timeoutp = schedule_timeout(*timeoutp);
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-	finish_wait(cong_wq, &wait);
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+	finish_wait(&fscache_object_cong_wait, &wait);
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 	return fscache_object_congested();
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 }