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Linux/fs/gfs2/super.h

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
  4  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
  5  */
  6 
  7 #ifndef __SUPER_DOT_H__
  8 #define __SUPER_DOT_H__
  9 
 10 #include <linux/fs.h>
 11 #include <linux/dcache.h>
 12 #include "incore.h"
 13 
 14 extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
 15 
 16 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
 17 {
 18         unsigned int x;
 19         spin_lock(&sdp->sd_jindex_spin);
 20         x = sdp->sd_journals;
 21         spin_unlock(&sdp->sd_jindex_spin);
 22         return x;
 23 }
 24 
 25 extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
 26 
 27 extern int gfs2_mount_args(struct gfs2_args *args, char *data);
 28 
 29 extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
 30 extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
 31 
 32 extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
 33                                      struct gfs2_inode **ipp);
 34 
 35 extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
 36 extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
 37 extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
 38 extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
 39                                s64 dinodes);
 40 extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
 41                                   const void *buf);
 42 extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
 43                           struct buffer_head *l_bh);
 44 extern int gfs2_statfs_sync(struct super_block *sb, int type);
 45 extern void gfs2_freeze_func(struct work_struct *work);
 46 
 47 extern void free_sbd(struct gfs2_sbd *sdp);
 48 
 49 extern struct file_system_type gfs2_fs_type;
 50 extern struct file_system_type gfs2meta_fs_type;
 51 extern const struct export_operations gfs2_export_ops;
 52 extern const struct super_operations gfs2_super_ops;
 53 extern const struct dentry_operations gfs2_dops;
 54 extern const struct xattr_handler *gfs2_xattr_handlers[];
 55 
 56 #endif /* __SUPER_DOT_H__ */
 57 
 58 

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