static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip, const char *symname) { struct gfs2_dinode *di; struct buffer_head *dibh; dibh = gfs2_meta_new(ip->i_gl, ip->i_no_addr); gfs2_trans_add_meta(ip->i_gl, dibh); di = (struct gfs2_dinode *)dibh->b_data; gfs2_dinode_out(ip, di); di->di_major = cpu_to_be32(MAJOR(ip->i_inode.i_rdev)); di->di_minor = cpu_to_be32(MINOR(ip->i_inode.i_rdev)); di->__pad1 = 0; di->__pad2 = 0; di->__pad3 = 0; memset(&di->__pad4, 0, sizeof(di->__pad4)); memset(&di->di_reserved, 0, sizeof(di->di_reserved)); gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); switch(ip->i_inode.i_mode & S_IFMT) { case S_IFDIR: gfs2_init_dir(dibh, dip); break; case S_IFLNK: memcpy(dibh->b_data + sizeof(struct gfs2_dinode), symname, ip->i_inode.i_size); break; } set_buffer_uptodate(dibh); brelse(dibh); }
static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, const struct gfs2_inum_host *inum, unsigned int mode, unsigned int uid, unsigned int gid, const u64 *generation, dev_t dev, struct buffer_head **bhp) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct gfs2_dinode *di; struct buffer_head *dibh; struct timespec tv = CURRENT_TIME; dibh = gfs2_meta_new(gl, inum->no_addr); gfs2_trans_add_bh(gl, dibh, 1); gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI); gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); di = (struct gfs2_dinode *)dibh->b_data; di->di_num.no_formal_ino = cpu_to_be64(inum->no_formal_ino); di->di_num.no_addr = cpu_to_be64(inum->no_addr); di->di_mode = cpu_to_be32(mode); di->di_uid = cpu_to_be32(uid); di->di_gid = cpu_to_be32(gid); di->di_nlink = 0; di->di_size = 0; di->di_blocks = cpu_to_be64(1); di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec); di->di_major = cpu_to_be32(MAJOR(dev)); di->di_minor = cpu_to_be32(MINOR(dev)); di->di_goal_meta = di->di_goal_data = cpu_to_be64(inum->no_addr); di->di_generation = cpu_to_be64(*generation); di->di_flags = 0; if (S_ISREG(mode)) { if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || gfs2_tune_get(sdp, gt_new_files_jdata)) di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); } else if (S_ISDIR(mode)) { di->di_flags |= cpu_to_be32(dip->i_diskflags & GFS2_DIF_INHERIT_JDATA); } di->__pad1 = 0; di->di_payload_format = cpu_to_be32(S_ISDIR(mode) ? GFS2_FORMAT_DE : 0); di->di_height = 0; di->__pad2 = 0; di->__pad3 = 0; di->di_depth = 0; di->di_entries = 0; memset(&di->__pad4, 0, sizeof(di->__pad4)); di->di_eattr = 0; di->di_atime_nsec = cpu_to_be32(tv.tv_nsec); di->di_mtime_nsec = cpu_to_be32(tv.tv_nsec); di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec); memset(&di->di_reserved, 0, sizeof(di->di_reserved)); set_buffer_uptodate(dibh); *bhp = dibh; }
static int build_height(struct inode *inode, unsigned height) { struct gfs2_inode *ip = GFS2_I(inode); unsigned new_height = height - ip->i_di.di_height; struct buffer_head *dibh; struct buffer_head *blocks[GFS2_MAX_META_HEIGHT]; struct gfs2_dinode *di; int error; __be64 *bp; u64 bn; unsigned n; if (height <= ip->i_di.di_height) return 0; error = gfs2_meta_inode_buffer(ip, &dibh); if (error) return error; for(n = 0; n < new_height; n++) { bn = gfs2_alloc_meta(ip); blocks[n] = gfs2_meta_new(ip->i_gl, bn); gfs2_trans_add_bh(ip->i_gl, blocks[n], 1); } n = 0; bn = blocks[0]->b_blocknr; if (new_height > 1) { for(; n < new_height-1; n++) { gfs2_metatype_set(blocks[n], GFS2_METATYPE_IN, GFS2_FORMAT_IN); gfs2_buffer_clear_tail(blocks[n], sizeof(struct gfs2_meta_header)); bp = (__be64 *)(blocks[n]->b_data + sizeof(struct gfs2_meta_header)); *bp = cpu_to_be64(blocks[n+1]->b_blocknr); brelse(blocks[n]); blocks[n] = NULL; } } gfs2_metatype_set(blocks[n], GFS2_METATYPE_IN, GFS2_FORMAT_IN); gfs2_buffer_copy_tail(blocks[n], sizeof(struct gfs2_meta_header), dibh, sizeof(struct gfs2_dinode)); brelse(blocks[n]); gfs2_trans_add_bh(ip->i_gl, dibh, 1); di = (struct gfs2_dinode *)dibh->b_data; gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); *(__be64 *)(di + 1) = cpu_to_be64(bn); ip->i_di.di_height += new_height; ip->i_di.di_blocks += new_height; gfs2_set_inode_blocks(&ip->i_inode); di->di_height = cpu_to_be16(ip->i_di.di_height); di->di_blocks = cpu_to_be64(ip->i_di.di_blocks); brelse(dibh); return error; }
static inline __be64 *gfs2_indirect_init(struct metapath *mp, struct gfs2_glock *gl, unsigned int i, unsigned offset, u64 bn) { __be64 *ptr = (__be64 *)(mp->mp_bh[i - 1]->b_data + ((i > 1) ? sizeof(struct gfs2_meta_header) : sizeof(struct gfs2_dinode))); BUG_ON(i < 1); BUG_ON(mp->mp_bh[i] != NULL); mp->mp_bh[i] = gfs2_meta_new(gl, bn); gfs2_trans_add_bh(gl, mp->mp_bh[i], 1); gfs2_metatype_set(mp->mp_bh[i], GFS2_METATYPE_IN, GFS2_FORMAT_IN); gfs2_buffer_clear_tail(mp->mp_bh[i], sizeof(struct gfs2_meta_header)); ptr += offset; *ptr = cpu_to_be64(bn); return ptr; }
static void gfs2_init_xattr(struct gfs2_inode *ip) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct buffer_head *bh; struct gfs2_ea_header *ea; bh = gfs2_meta_new(ip->i_gl, ip->i_eattr); gfs2_trans_add_meta(ip->i_gl, bh); gfs2_metatype_set(bh, GFS2_METATYPE_EA, GFS2_FORMAT_EA); gfs2_buffer_clear_tail(bh, sizeof(struct gfs2_meta_header)); ea = GFS2_EA_BH2FIRST(bh); ea->ea_rec_len = cpu_to_be32(sdp->sd_jbsize); ea->ea_type = GFS2_EATYPE_UNUSED; ea->ea_flags = GFS2_EAFLAG_LAST; brelse(bh); }
static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip, const char *symname, struct buffer_head **bhp) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct gfs2_dinode *di; struct buffer_head *dibh; struct timespec tv = CURRENT_TIME; dibh = gfs2_meta_new(ip->i_gl, ip->i_no_addr); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI); gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); di = (struct gfs2_dinode *)dibh->b_data; di->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); di->di_num.no_addr = cpu_to_be64(ip->i_no_addr); di->di_mode = cpu_to_be32(ip->i_inode.i_mode); di->di_uid = cpu_to_be32(ip->i_inode.i_uid); di->di_gid = cpu_to_be32(ip->i_inode.i_gid); di->di_nlink = 0; di->di_size = cpu_to_be64(ip->i_inode.i_size); di->di_blocks = cpu_to_be64(1); di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec); di->di_major = cpu_to_be32(MAJOR(ip->i_inode.i_rdev)); di->di_minor = cpu_to_be32(MINOR(ip->i_inode.i_rdev)); di->di_goal_meta = di->di_goal_data = cpu_to_be64(ip->i_no_addr); di->di_generation = cpu_to_be64(ip->i_generation); di->di_flags = 0; di->__pad1 = 0; di->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) ? GFS2_FORMAT_DE : 0); di->di_height = 0; di->__pad2 = 0; di->__pad3 = 0; di->di_depth = 0; di->di_entries = 0; memset(&di->__pad4, 0, sizeof(di->__pad4)); di->di_eattr = 0; di->di_atime_nsec = cpu_to_be32(tv.tv_nsec); di->di_mtime_nsec = cpu_to_be32(tv.tv_nsec); di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec); memset(&di->di_reserved, 0, sizeof(di->di_reserved)); switch(ip->i_inode.i_mode & S_IFMT) { case S_IFREG: if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || gfs2_tune_get(sdp, gt_new_files_jdata)) di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); break; case S_IFDIR: di->di_flags |= cpu_to_be32(dip->i_diskflags & GFS2_DIF_INHERIT_JDATA); di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); di->di_size = cpu_to_be64(sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)); di->di_entries = cpu_to_be32(2); gfs2_init_dir(dibh, dip); break; case S_IFLNK: memcpy(dibh->b_data + sizeof(struct gfs2_dinode), symname, ip->i_inode.i_size); break; } set_buffer_uptodate(dibh); *bhp = dibh; }