add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/gfs2/super.h
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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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 #ifndef __SUPER_DOT_H__
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@@ -27,26 +24,31 @@
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 extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
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-extern int gfs2_mount_args(struct gfs2_args *args, char *data);
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-
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 extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
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 extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
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-
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 extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
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 				     struct gfs2_inode **ipp);
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 extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
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+extern int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
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 extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
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 extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
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 extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
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 			       s64 dinodes);
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 extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
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 				  const void *buf);
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+extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
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+				   void *buf);
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 extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
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 			  struct buffer_head *l_bh);
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 extern int gfs2_statfs_sync(struct super_block *sb, int type);
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 extern void gfs2_freeze_func(struct work_struct *work);
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+extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
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+extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
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+					     unsigned int index);
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+extern void free_sbd(struct gfs2_sbd *sdp);
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+
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 extern struct file_system_type gfs2_fs_type;
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 extern struct file_system_type gfs2meta_fs_type;
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 extern const struct export_operations gfs2_export_ops;