1b3b94faaSDavid Teigland /* 2b3b94faaSDavid Teigland * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 33a8a9a10SSteven Whitehouse * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 4b3b94faaSDavid Teigland * 5b3b94faaSDavid Teigland * This copyrighted material is made available to anyone wishing to use, 6b3b94faaSDavid Teigland * modify, copy, or redistribute it subject to the terms and conditions 7e9fc2aa0SSteven Whitehouse * of the GNU General Public License version 2. 8b3b94faaSDavid Teigland */ 9b3b94faaSDavid Teigland 10b3b94faaSDavid Teigland #ifndef __INODE_DOT_H__ 11b3b94faaSDavid Teigland #define __INODE_DOT_H__ 12b3b94faaSDavid Teigland 1377658aadSSteven Whitehouse #include "util.h" 1477658aadSSteven Whitehouse 15dbb7cae2SSteven Whitehouse static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) 16b3b94faaSDavid Teigland { 17ecc30c79SSteven Whitehouse return !ip->i_height; 18b3b94faaSDavid Teigland } 19b3b94faaSDavid Teigland 20dbb7cae2SSteven Whitehouse static inline int gfs2_is_jdata(const struct gfs2_inode *ip) 21b3b94faaSDavid Teigland { 22b3b94faaSDavid Teigland return ip->i_di.di_flags & GFS2_DIF_JDATA; 23b3b94faaSDavid Teigland } 24b3b94faaSDavid Teigland 25bf36a713SSteven Whitehouse static inline int gfs2_is_writeback(const struct gfs2_inode *ip) 26bf36a713SSteven Whitehouse { 27bf36a713SSteven Whitehouse const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); 28bf36a713SSteven Whitehouse return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip); 29bf36a713SSteven Whitehouse } 30bf36a713SSteven Whitehouse 315561093eSSteven Whitehouse static inline int gfs2_is_ordered(const struct gfs2_inode *ip) 325561093eSSteven Whitehouse { 335561093eSSteven Whitehouse const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); 345561093eSSteven Whitehouse return (sdp->sd_args.ar_data == GFS2_DATA_ORDERED) && !gfs2_is_jdata(ip); 355561093eSSteven Whitehouse } 365561093eSSteven Whitehouse 37dbb7cae2SSteven Whitehouse static inline int gfs2_is_dir(const struct gfs2_inode *ip) 3818ec7d5cSSteven Whitehouse { 39b60623c2SSteven Whitehouse return S_ISDIR(ip->i_inode.i_mode); 4018ec7d5cSSteven Whitehouse } 4118ec7d5cSSteven Whitehouse 4277658aadSSteven Whitehouse static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks) 439e2dbdacSSteven Whitehouse { 4477658aadSSteven Whitehouse inode->i_blocks = blocks << 459e2dbdacSSteven Whitehouse (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); 469e2dbdacSSteven Whitehouse } 479e2dbdacSSteven Whitehouse 4877658aadSSteven Whitehouse static inline u64 gfs2_get_inode_blocks(const struct inode *inode) 4977658aadSSteven Whitehouse { 5077658aadSSteven Whitehouse return inode->i_blocks >> 5177658aadSSteven Whitehouse (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); 5277658aadSSteven Whitehouse } 5377658aadSSteven Whitehouse 5477658aadSSteven Whitehouse static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change) 5577658aadSSteven Whitehouse { 5677658aadSSteven Whitehouse gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks > -change)); 5777658aadSSteven Whitehouse change *= (GFS2_SB(inode)->sd_sb.sb_bsize/GFS2_BASIC_BLOCK); 5877658aadSSteven Whitehouse inode->i_blocks += change; 5977658aadSSteven Whitehouse } 6077658aadSSteven Whitehouse 61dbb7cae2SSteven Whitehouse static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr, 62dbb7cae2SSteven Whitehouse u64 no_formal_ino) 63dbb7cae2SSteven Whitehouse { 64dbb7cae2SSteven Whitehouse return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino; 65dbb7cae2SSteven Whitehouse } 66dbb7cae2SSteven Whitehouse 67bb8d8a6fSSteven Whitehouse static inline void gfs2_inum_out(const struct gfs2_inode *ip, 68bb8d8a6fSSteven Whitehouse struct gfs2_dirent *dent) 69bb8d8a6fSSteven Whitehouse { 70bb8d8a6fSSteven Whitehouse dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); 71bb8d8a6fSSteven Whitehouse dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr); 72bb8d8a6fSSteven Whitehouse } 73bb8d8a6fSSteven Whitehouse 74bb8d8a6fSSteven Whitehouse 7535dcc52eSWendy Cheng void gfs2_set_iop(struct inode *inode); 76bb9bcf06SWendy Cheng struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, 777a9f53b3SBenjamin Marzinski u64 no_addr, u64 no_formal_ino, 787a9f53b3SBenjamin Marzinski int skip_freeing); 79dbb7cae2SSteven Whitehouse struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr); 80b3b94faaSDavid Teigland 81b3b94faaSDavid Teigland int gfs2_inode_refresh(struct gfs2_inode *ip); 82b3b94faaSDavid Teigland 83feaa7bbaSSteven Whitehouse int gfs2_dinode_dealloc(struct gfs2_inode *inode); 84b3b94faaSDavid Teigland int gfs2_change_nlink(struct gfs2_inode *ip, int diff); 85feaa7bbaSSteven Whitehouse struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, 86*a569c711SAl Viro int is_root); 87feaa7bbaSSteven Whitehouse struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, 88e7f14f4dSSteven Whitehouse unsigned int mode, dev_t dev); 89feaa7bbaSSteven Whitehouse int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, 90feaa7bbaSSteven Whitehouse struct gfs2_inode *ip); 91feaa7bbaSSteven Whitehouse int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, 92dbb7cae2SSteven Whitehouse const struct gfs2_inode *ip); 93f58ba889SMiklos Szeredi int gfs2_permission(struct inode *inode, int mask); 94b3b94faaSDavid Teigland int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to); 95b3b94faaSDavid Teigland int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len); 96b3b94faaSDavid Teigland int gfs2_glock_nq_atime(struct gfs2_holder *gh); 97b3b94faaSDavid Teigland int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr); 98c752666cSSteven Whitehouse struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); 99bb8d8a6fSSteven Whitehouse void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); 100bb8d8a6fSSteven Whitehouse void gfs2_dinode_print(const struct gfs2_inode *ip); 101b3b94faaSDavid Teigland 102b3b94faaSDavid Teigland #endif /* __INODE_DOT_H__ */ 103b3b94faaSDavid Teigland 104