115 static int reserve_space(struct ubifs_info *c, int jhead, int len)  in reserve_space()  argument
135 	if (wbuf->lnum != -1 && avail >= len)  in reserve_space()
142 	lnum = ubifs_find_free_space(c, len, &free, squeeze);  in reserve_space()
191 	if (wbuf->lnum != -1 && avail >= len) {  in reserve_space()
249 static int write_node(struct ubifs_info *c, int jhead, void *node, int len,  in write_node()  argument
259 	dbg_jnl("jhead %d, LEB %d:%d, len %d", jhead, *lnum, *offs, len);  in write_node()
260 	ubifs_prepare_node(c, node, len, 0);  in write_node()
262 	return ubifs_wbuf_write_nolock(wbuf, node, len);  in write_node()
279 static int write_head(struct ubifs_info *c, int jhead, void *buf, int len,  in write_head()  argument
289 	dbg_jnl("jhead %d, LEB %d:%d, len %d", jhead, *lnum, *offs, len);  in write_head()
291 	err = ubifs_wbuf_write_nolock(wbuf, buf, len);  in write_head()
315 static int make_reservation(struct ubifs_info *c, int jhead, int len)  in make_reservation()  argument
321 	err = reserve_space(c, jhead, len);  in make_reservation()
376 		  len, jhead, err);  in make_reservation()
539 	int err, dlen, ilen, len, lnum, ino_offs, dent_offs;  in ubifs_jnl_update()  local
549 		inode->i_ino, nm->len, nm->name, ui->data_len, dir->i_ino);  in ubifs_jnl_update()
553 	dlen = UBIFS_DENT_NODE_SZ + nm->len + 1;  in ubifs_jnl_update()
569 	len = aligned_dlen + aligned_ilen + UBIFS_INO_NODE_SZ;  in ubifs_jnl_update()
570 	dent = kmalloc(len, GFP_NOFS);  in ubifs_jnl_update()
575 	err = make_reservation(c, BASEHD, len);  in ubifs_jnl_update()
590 	dent->nlen = cpu_to_le16(nm->len);  in ubifs_jnl_update()
591 	memcpy(dent->name, nm->name, nm->len);  in ubifs_jnl_update()
592 	dent->name[nm->len] = '\0';  in ubifs_jnl_update()
610 	err = write_head(c, BASEHD, dent, len, &lnum, &dent_offs, sync);  in ubifs_jnl_update()
686 			 const union ubifs_key *key, const void *buf, int len)  in ubifs_jnl_write_data()  argument
694 		(unsigned long)key_inum(c, key), key_block(c, key), len,  in ubifs_jnl_write_data()
696 	ubifs_assert(len <= UBIFS_BLOCK_SIZE);  in ubifs_jnl_write_data()
704 	data->size = cpu_to_le32(len);  in ubifs_jnl_write_data()
714 	ubifs_compress(buf, len, &data->data, &out_len, &compr_type);  in ubifs_jnl_write_data()
763 	int sync = 0, len = UBIFS_INO_NODE_SZ, last_reference = !inode->i_nlink;  in ubifs_jnl_write_inode()  local
772 		len += ui->data_len;  in ubifs_jnl_write_inode()
775 	ino = kmalloc(len, GFP_NOFS);  in ubifs_jnl_write_inode()
780 	err = make_reservation(c, BASEHD, len);  in ubifs_jnl_write_inode()
785 	err = write_head(c, BASEHD, ino, len, &lnum, &offs, sync);  in ubifs_jnl_write_inode()
798 		err = ubifs_add_dirt(c, lnum, len);  in ubifs_jnl_write_inode()
803 		err = ubifs_tnc_add(c, &key, lnum, offs, len);  in ubifs_jnl_write_inode()
906 	int err, dlen1, dlen2, ilen, lnum, offs, len;  in ubifs_jnl_rename()  local
915 		old_dentry->d_name.len, old_dentry->d_name.name,  in ubifs_jnl_rename()
916 		old_dir->i_ino, new_dentry->d_name.len,  in ubifs_jnl_rename()
923 	dlen1 = UBIFS_DENT_NODE_SZ + new_dentry->d_name.len + 1;  in ubifs_jnl_rename()
924 	dlen2 = UBIFS_DENT_NODE_SZ + old_dentry->d_name.len + 1;  in ubifs_jnl_rename()
936 	len = aligned_dlen1 + aligned_dlen2 + ALIGN(ilen, 8) + ALIGN(plen, 8);  in ubifs_jnl_rename()
938 		len += plen;  in ubifs_jnl_rename()
939 	dent = kmalloc(len, GFP_NOFS);  in ubifs_jnl_rename()
944 	err = make_reservation(c, BASEHD, len);  in ubifs_jnl_rename()
953 	dent->nlen = cpu_to_le16(new_dentry->d_name.len);  in ubifs_jnl_rename()
954 	memcpy(dent->name, new_dentry->d_name.name, new_dentry->d_name.len);  in ubifs_jnl_rename()
955 	dent->name[new_dentry->d_name.len] = '\0';  in ubifs_jnl_rename()
966 	dent2->nlen = cpu_to_le16(old_dentry->d_name.len);  in ubifs_jnl_rename()
967 	memcpy(dent2->name, old_dentry->d_name.name, old_dentry->d_name.len);  in ubifs_jnl_rename()
968 	dent2->name[old_dentry->d_name.len] = '\0';  in ubifs_jnl_rename()
995 	err = write_head(c, BASEHD, dent, len, &lnum, &offs, sync);  in ubifs_jnl_rename()
1082 	int err, len, compr_type, out_len;  in recomp_data_node()  local
1089 	len = le32_to_cpu(dn->ch.len) - UBIFS_DATA_NODE_SZ;  in recomp_data_node()
1091 	err = ubifs_decompress(&dn->data, len, buf, &out_len, compr_type);  in recomp_data_node()
1127 	int err, dlen, len, lnum, offs, bit, sz, sync = IS_SYNC(inode);  in ubifs_jnl_truncate()  local
1183 	len = UBIFS_TRUN_NODE_SZ + UBIFS_INO_NODE_SZ;  in ubifs_jnl_truncate()
1185 		len += dlen;  in ubifs_jnl_truncate()
1186 	err = make_reservation(c, BASEHD, len);  in ubifs_jnl_truncate()
1195 	err = write_head(c, BASEHD, ino, len, &lnum, &offs, sync);  in ubifs_jnl_truncate()
1265 	int err, xlen, hlen, len, lnum, xent_offs, aligned_xlen;  in ubifs_jnl_delete_xattr()  local
1282 	xlen = UBIFS_DENT_NODE_SZ + nm->len + 1;  in ubifs_jnl_delete_xattr()
1285 	len = aligned_xlen + UBIFS_INO_NODE_SZ + ALIGN(hlen, 8);  in ubifs_jnl_delete_xattr()
1287 	xent = kmalloc(len, GFP_NOFS);  in ubifs_jnl_delete_xattr()
1292 	err = make_reservation(c, BASEHD, len);  in ubifs_jnl_delete_xattr()
1303 	xent->nlen = cpu_to_le16(nm->len);  in ubifs_jnl_delete_xattr()
1304 	memcpy(xent->name, nm->name, nm->len);  in ubifs_jnl_delete_xattr()
1305 	xent->name[nm->len] = '\0';  in ubifs_jnl_delete_xattr()
1314 	err = write_head(c, BASEHD, xent, len, &lnum, &xent_offs, sync);  in ubifs_jnl_delete_xattr()
1345 	err = ubifs_tnc_add(c, &key1, lnum, xent_offs + len - hlen, hlen);  in ubifs_jnl_delete_xattr()