17336d0e6SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2b3b94faaSDavid Teigland /* 3b3b94faaSDavid Teigland * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 43a8a9a10SSteven Whitehouse * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 5b3b94faaSDavid Teigland */ 6b3b94faaSDavid Teigland 7b3b94faaSDavid Teigland #ifndef __SUPER_DOT_H__ 8b3b94faaSDavid Teigland #define __SUPER_DOT_H__ 9b3b94faaSDavid Teigland 10b2760583SSteven Whitehouse #include <linux/fs.h> 11b2760583SSteven Whitehouse #include <linux/dcache.h> 12f2f7ba52SSteven Whitehouse #include "incore.h" 13f2f7ba52SSteven Whitehouse 14*47b7ec1dSAndrew Price /* Supported fs format version range */ 15*47b7ec1dSAndrew Price #define GFS2_FS_FORMAT_MIN (1801) 16*47b7ec1dSAndrew Price #define GFS2_FS_FORMAT_MAX (1802) 17*47b7ec1dSAndrew Price 186f04c1c7SSteven Whitehouse extern void gfs2_lm_unmount(struct gfs2_sbd *sdp); 19b3b94faaSDavid Teigland 20b3b94faaSDavid Teigland static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) 21b3b94faaSDavid Teigland { 22b3b94faaSDavid Teigland unsigned int x; 23b3b94faaSDavid Teigland spin_lock(&sdp->sd_jindex_spin); 24b3b94faaSDavid Teigland x = sdp->sd_journals; 25b3b94faaSDavid Teigland spin_unlock(&sdp->sd_jindex_spin); 26b3b94faaSDavid Teigland return x; 27b3b94faaSDavid Teigland } 28b3b94faaSDavid Teigland 298633ecfaSSteven Whitehouse extern void gfs2_jindex_free(struct gfs2_sbd *sdp); 30fefc03bfSSteven Whitehouse 316f04c1c7SSteven Whitehouse extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); 326f04c1c7SSteven Whitehouse extern int gfs2_jdesc_check(struct gfs2_jdesc *jd); 336f04c1c7SSteven Whitehouse extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, 34b3b94faaSDavid Teigland struct gfs2_inode **ipp); 35b3b94faaSDavid Teigland 366f04c1c7SSteven Whitehouse extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp); 371f52aa08SAndrew Price extern int gfs2_make_fs_ro(struct gfs2_sbd *sdp); 388633ecfaSSteven Whitehouse extern void gfs2_online_uevent(struct gfs2_sbd *sdp); 396f04c1c7SSteven Whitehouse extern int gfs2_statfs_init(struct gfs2_sbd *sdp); 406f04c1c7SSteven Whitehouse extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, 416f04c1c7SSteven Whitehouse s64 dinodes); 421946f70aSBenjamin Marzinski extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, 431946f70aSBenjamin Marzinski const void *buf); 4473092698SAbhi Das extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, 4573092698SAbhi Das void *buf); 461946f70aSBenjamin Marzinski extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh, 471946f70aSBenjamin Marzinski struct buffer_head *l_bh); 488c42d637SSteven Whitehouse extern int gfs2_statfs_sync(struct super_block *sb, int type); 492e60d768SBenjamin Marzinski extern void gfs2_freeze_func(struct work_struct *work); 50b3b94faaSDavid Teigland 5197fd734bSAbhi Das extern void free_local_statfs_inodes(struct gfs2_sbd *sdp); 5297fd734bSAbhi Das extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp, 5397fd734bSAbhi Das unsigned int index); 542a27b755SAndreas Gruenbacher extern void free_sbd(struct gfs2_sbd *sdp); 552a27b755SAndreas Gruenbacher 56b2760583SSteven Whitehouse extern struct file_system_type gfs2_fs_type; 57b2760583SSteven Whitehouse extern struct file_system_type gfs2meta_fs_type; 58b2760583SSteven Whitehouse extern const struct export_operations gfs2_export_ops; 59b2760583SSteven Whitehouse extern const struct super_operations gfs2_super_ops; 6092cecbbfSAl Viro extern const struct dentry_operations gfs2_dops; 61b7bb0a12SStephen Hemminger extern const struct xattr_handler *gfs2_xattr_handlers[]; 62b2760583SSteven Whitehouse 63b3b94faaSDavid Teigland #endif /* __SUPER_DOT_H__ */ 64b3b94faaSDavid Teigland 65