add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/gfs2/main.c
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..
@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
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  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
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- *
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- * This copyrighted material is made available to anyone wishing to use,
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- * modify, copy, or redistribute it subject to the terms and conditions
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- * of the GNU General Public License version 2.
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
..
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@@ -39,9 +36,12 @@
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 	struct gfs2_inode *ip = foo;
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 	inode_init_once(&ip->i_inode);
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+	atomic_set(&ip->i_sizehint, 0);
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 	init_rwsem(&ip->i_rw_mutex);
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 	INIT_LIST_HEAD(&ip->i_trunc_list);
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+	INIT_LIST_HEAD(&ip->i_ordered);
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 	ip->i_qadata = NULL;
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+	gfs2_holder_mark_uninitialized(&ip->i_rgd_gh);
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 	memset(&ip->i_res, 0, sizeof(ip->i_res));
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 	RB_CLEAR_NODE(&ip->i_res.rs_node);
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 	ip->i_hash_cache = NULL;
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@@ -144,6 +144,12 @@
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 	if (!gfs2_qadata_cachep)
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 		goto fail_cachep7;
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+	gfs2_trans_cachep = kmem_cache_create("gfs2_trans",
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+					       sizeof(struct gfs2_trans),
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+					       0, 0, NULL);
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+	if (!gfs2_trans_cachep)
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+		goto fail_cachep8;
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+
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 	error = register_shrinker(&gfs2_qd_shrinker);
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 	if (error)
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 		goto fail_shrinker;
..
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@@ -176,16 +182,12 @@
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 	if (!gfs2_page_pool)
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 		goto fail_mempool;
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-	error = gfs2_register_debugfs();
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-	if (error)
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-		goto fail_debugfs;
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+	gfs2_register_debugfs();
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 	pr_info("GFS2 installed\n");
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 	return 0;
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-fail_debugfs:
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-	mempool_destroy(gfs2_page_pool);
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 fail_mempool:
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 	destroy_workqueue(gfs2_freeze_wq);
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 fail_wq3:
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@@ -199,6 +201,8 @@
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 fail_fs1:
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 	unregister_shrinker(&gfs2_qd_shrinker);
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 fail_shrinker:
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+	kmem_cache_destroy(gfs2_trans_cachep);
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+fail_cachep8:
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 	kmem_cache_destroy(gfs2_qadata_cachep);
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 fail_cachep7:
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 	kmem_cache_destroy(gfs2_quotad_cachep);
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@@ -241,6 +245,7 @@
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 	rcu_barrier();
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 	mempool_destroy(gfs2_page_pool);
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+	kmem_cache_destroy(gfs2_trans_cachep);
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 	kmem_cache_destroy(gfs2_qadata_cachep);
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 	kmem_cache_destroy(gfs2_quotad_cachep);
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 	kmem_cache_destroy(gfs2_rgrpd_cachep);
..
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@@ -255,6 +260,7 @@
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 MODULE_DESCRIPTION("Global File System");
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 MODULE_AUTHOR("Red Hat, Inc.");
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 MODULE_LICENSE("GPL");
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+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
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 module_init(init_gfs2_fs);
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 module_exit(exit_gfs2_fs);