52 static int udf_update_inode(struct inode *, int);
53 static int udf_sync_inode(struct inode *inode);
54 static int udf_alloc_i_data(struct inode *inode, size_t size);
55 static sector_t inode_getblk(struct inode *, sector_t, int *, int *);
56 static int8_t udf_insert_aext(struct inode *, struct extent_position,
58 static void udf_split_extents(struct inode *, int *, int, int,
60 static void udf_prealloc_extents(struct inode *, int, int,
62 static void udf_merge_extents(struct inode *,
64 static void udf_update_extents(struct inode *,
67 static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
69 static void __udf_clear_extent_cache(struct inode *inode)  in __udf_clear_extent_cache()  argument
71 	struct udf_inode_info *iinfo = UDF_I(inode);  in __udf_clear_extent_cache()
80 static void udf_clear_extent_cache(struct inode *inode)  in udf_clear_extent_cache()  argument
82 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_clear_extent_cache()
85 	__udf_clear_extent_cache(inode);  in udf_clear_extent_cache()
90 static int udf_read_extent_cache(struct inode *inode, loff_t bcount,  in udf_read_extent_cache()  argument
93 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_read_extent_cache()
112 static void udf_update_extent_cache(struct inode *inode, loff_t estart,  in udf_update_extent_cache()  argument
115 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_update_extent_cache()
119 	__udf_clear_extent_cache(inode);  in udf_update_extent_cache()
138 void udf_evict_inode(struct inode *inode)  in udf_evict_inode()  argument
140 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_evict_inode()
143 	if (!inode->i_nlink && !is_bad_inode(inode)) {  in udf_evict_inode()
145 		udf_setsize(inode, 0);  in udf_evict_inode()
146 		udf_update_inode(inode, IS_SYNC(inode));  in udf_evict_inode()
148 	truncate_inode_pages_final(&inode->i_data);  in udf_evict_inode()
149 	invalidate_inode_buffers(inode);  in udf_evict_inode()
150 	clear_inode(inode);  in udf_evict_inode()
152 	    inode->i_size != iinfo->i_lenExtents) {  in udf_evict_inode()
153 …udf_warn(inode->i_sb, "Inode %lu (mode %o) has inode size %llu different from extent length %llu. …  in udf_evict_inode()
154 			 inode->i_ino, inode->i_mode,  in udf_evict_inode()
155 			 (unsigned long long)inode->i_size,  in udf_evict_inode()
160 	udf_clear_extent_cache(inode);  in udf_evict_inode()
162 		udf_free_inode(inode);  in udf_evict_inode()
168 	struct inode *inode = mapping->host;  in udf_write_failed()  local
169 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_write_failed()
170 	loff_t isize = inode->i_size;  in udf_write_failed()
173 		truncate_pagecache(inode, isize);  in udf_write_failed()
176 			udf_clear_extent_cache(inode);  in udf_write_failed()
177 			udf_truncate_extents(inode);  in udf_write_failed()
222 	struct inode *inode = mapping->host;  in udf_direct_IO()  local
226 	ret = blockdev_direct_IO(iocb, inode, iter, offset, udf_get_block);  in udf_direct_IO()
254 int udf_expand_file_adinicb(struct inode *inode)  in udf_expand_file_adinicb()  argument
258 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_expand_file_adinicb()
265 	WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));  in udf_expand_file_adinicb()
267 		if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))  in udf_expand_file_adinicb()
272 		inode->i_data.a_ops = &udf_aops;  in udf_expand_file_adinicb()
274 		mark_inode_dirty(inode);  in udf_expand_file_adinicb()
283 	page = find_or_create_page(inode->i_mapping, 0, GFP_NOFS);  in udf_expand_file_adinicb()
301 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))  in udf_expand_file_adinicb()
306 	inode->i_data.a_ops = &udf_aops;  in udf_expand_file_adinicb()
308 	err = inode->i_data.a_ops->writepage(page, &udf_wbc);  in udf_expand_file_adinicb()
315 		       inode->i_size);  in udf_expand_file_adinicb()
319 		inode->i_data.a_ops = &udf_adinicb_aops;  in udf_expand_file_adinicb()
323 	mark_inode_dirty(inode);  in udf_expand_file_adinicb()
328 struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,  in udf_expand_dir_adinicb()  argument
338 	loff_t f_pos = udf_ext0_offset(inode);  in udf_expand_dir_adinicb()
339 	int size = udf_ext0_offset(inode) + inode->i_size;  in udf_expand_dir_adinicb()
341 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_expand_dir_adinicb()
343 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))  in udf_expand_dir_adinicb()
348 	if (!inode->i_size) {  in udf_expand_dir_adinicb()
350 		mark_inode_dirty(inode);  in udf_expand_dir_adinicb()
355 	*block = udf_new_block(inode->i_sb, inode,  in udf_expand_dir_adinicb()
360 	newblock = udf_get_pblock(inode->i_sb, *block,  in udf_expand_dir_adinicb()
365 	dbh = udf_tgetblk(inode->i_sb, newblock);  in udf_expand_dir_adinicb()
369 	memset(dbh->b_data, 0x00, inode->i_sb->s_blocksize);  in udf_expand_dir_adinicb()
372 	mark_buffer_dirty_inode(dbh, inode);  in udf_expand_dir_adinicb()
375 			f_pos & (inode->i_sb->s_blocksize - 1);  in udf_expand_dir_adinicb()
381 		sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL,  in udf_expand_dir_adinicb()
392 		if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,  in udf_expand_dir_adinicb()
400 	mark_buffer_dirty_inode(dbh, inode);  in udf_expand_dir_adinicb()
408 	iinfo->i_lenExtents = inode->i_size;  in udf_expand_dir_adinicb()
411 	epos.offset = udf_file_entry_alloc_offset(inode);  in udf_expand_dir_adinicb()
412 	udf_add_aext(inode, &epos, &eloc, inode->i_size, 0);  in udf_expand_dir_adinicb()
416 	mark_inode_dirty(inode);  in udf_expand_dir_adinicb()
420 static int udf_get_block(struct inode *inode, sector_t block,  in udf_get_block()  argument
428 		phys = udf_block_map(inode, block);  in udf_get_block()
430 			map_bh(bh_result, inode->i_sb, phys);  in udf_get_block()
436 	iinfo = UDF_I(inode);  in udf_get_block()
444 	udf_clear_extent_cache(inode);  in udf_get_block()
445 	phys = inode_getblk(inode, block, &err, &new);  in udf_get_block()
451 	map_bh(bh_result, inode->i_sb, phys);  in udf_get_block()
458 static struct buffer_head *udf_getblk(struct inode *inode, long block,  in udf_getblk()  argument
466 	*err = udf_get_block(inode, block, &dummy, create);  in udf_getblk()
468 		bh = sb_getblk(inode->i_sb, dummy.b_blocknr);  in udf_getblk()
471 			memset(bh->b_data, 0x00, inode->i_sb->s_blocksize);  in udf_getblk()
474 			mark_buffer_dirty_inode(bh, inode);  in udf_getblk()
483 static int udf_do_extend_file(struct inode *inode,  in udf_do_extend_file()  argument
490 	struct super_block *sb = inode->i_sb;  in udf_do_extend_file()
501 	iinfo = UDF_I(inode);  in udf_do_extend_file()
539 		udf_add_aext(inode, last_pos, &last_ext->extLocation,  in udf_do_extend_file()
543 		udf_write_aext(inode, last_pos, &last_ext->extLocation,  in udf_do_extend_file()
560 		err = udf_add_aext(inode, last_pos, &last_ext->extLocation,  in udf_do_extend_file()
569 		err = udf_add_aext(inode, last_pos, &last_ext->extLocation,  in udf_do_extend_file()
579 		err = udf_add_aext(inode, last_pos, &prealloc_loc,  in udf_do_extend_file()
599 static int udf_extend_file(struct inode *inode, loff_t newsize)  in udf_extend_file()  argument
606 	struct super_block *sb = inode->i_sb;  in udf_extend_file()
609 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_extend_file()
620 	etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);  in udf_extend_file()
633 	if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) ||  in udf_extend_file()
642 		etype = udf_next_aext(inode, &epos, &extent.extLocation,  in udf_extend_file()
646 	err = udf_do_extend_file(inode, &epos, &extent, offset);  in udf_extend_file()
656 static sector_t inode_getblk(struct inode *inode, sector_t block,  in inode_getblk()  argument
669 	struct udf_inode_info *iinfo = UDF_I(inode);  in inode_getblk()
676 	prev_epos.offset = udf_file_entry_alloc_offset(inode);  in inode_getblk()
680 	b_off = (loff_t)block << inode->i_sb->s_blocksize_bits;  in inode_getblk()
705 		etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1);  in inode_getblk()
716 				((elen + inode->i_sb->s_blocksize - 1) >>  in inode_getblk()
717 				 inode->i_sb->s_blocksize_bits);  in inode_getblk()
723 	offset = b_off >> inode->i_sb->s_blocksize_bits;  in inode_getblk()
728 	udf_next_aext(inode, &prev_epos, &tmpeloc, &tmpelen, 0);  in inode_getblk()
729 	udf_next_aext(inode, &cur_epos, &tmpeloc, &tmpelen, 0);  in inode_getblk()
735 		if (elen & (inode->i_sb->s_blocksize - 1)) {  in inode_getblk()
737 				((elen + inode->i_sb->s_blocksize - 1) &  in inode_getblk()
738 				 ~(inode->i_sb->s_blocksize - 1));  in inode_getblk()
739 			udf_write_aext(inode, &cur_epos, &eloc, elen, 1);  in inode_getblk()
744 		newblock = udf_get_lb_pblock(inode->i_sb, &eloc, offset);  in inode_getblk()
766 		ret = udf_do_extend_file(inode, &prev_epos, laarr, offset);  in inode_getblk()
785 				inode->i_sb->s_blocksize;  in inode_getblk()
807 		etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0);  in inode_getblk()
831 		newblocknum = udf_new_block(inode->i_sb, inode,  in inode_getblk()
842 			iinfo->i_lenExtents += inode->i_sb->s_blocksize;  in inode_getblk()
849 	udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);  in inode_getblk()
856 	if (S_ISREG(inode->i_mode))  in inode_getblk()
857 		udf_prealloc_extents(inode, c, lastblock, laarr, &endnum);  in inode_getblk()
861 	udf_merge_extents(inode, laarr, &endnum);  in inode_getblk()
866 	udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);  in inode_getblk()
872 	newblock = udf_get_pblock(inode->i_sb, newblocknum,  in inode_getblk()
881 	inode->i_ctime = current_fs_time(inode->i_sb);  in inode_getblk()
883 	if (IS_SYNC(inode))  in inode_getblk()
884 		udf_sync_inode(inode);  in inode_getblk()
886 		mark_inode_dirty(inode);  in inode_getblk()
891 static void udf_split_extents(struct inode *inode, int *c, int offset,  in udf_split_extents()  argument
896 	unsigned long blocksize = inode->i_sb->s_blocksize;  in udf_split_extents()
897 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;  in udf_split_extents()
919 				udf_free_blocks(inode->i_sb, inode,  in udf_split_extents()
939 				UDF_I(inode)->i_location.partitionReferenceNum;  in udf_split_extents()
956 static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,  in udf_prealloc_extents()  argument
974 				inode->i_sb->s_blocksize - 1) >>  in udf_prealloc_extents()
975 				inode->i_sb->s_blocksize_bits);  in udf_prealloc_extents()
988 				    inode->i_sb->s_blocksize - 1) >>  in udf_prealloc_extents()
989 				    inode->i_sb->s_blocksize_bits);  in udf_prealloc_extents()
997 			  inode->i_sb->s_blocksize - 1) >>  in udf_prealloc_extents()
998 			  inode->i_sb->s_blocksize_bits);  in udf_prealloc_extents()
999 		int numalloc = udf_prealloc_blocks(inode->i_sb, inode,  in udf_prealloc_extents()
1008 					 inode->i_sb->s_blocksize_bits);  in udf_prealloc_extents()
1020 					 inode->i_sb->s_blocksize_bits);  in udf_prealloc_extents()
1027 					    inode->i_sb->s_blocksize - 1) >>  in udf_prealloc_extents()
1028 					    inode->i_sb->s_blocksize_bits;  in udf_prealloc_extents()
1033 						 inode->i_sb->s_blocksize_bits);  in udf_prealloc_extents()
1046 			UDF_I(inode)->i_lenExtents +=  in udf_prealloc_extents()
1047 				numalloc << inode->i_sb->s_blocksize_bits;  in udf_prealloc_extents()
1052 static void udf_merge_extents(struct inode *inode,  in udf_merge_extents()  argument
1057 	unsigned long blocksize = inode->i_sb->s_blocksize;  in udf_merge_extents()
1058 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;  in udf_merge_extents()
1105 			udf_free_blocks(inode->i_sb, inode, &li->extLocation, 0,  in udf_merge_extents()
1138 			udf_free_blocks(inode->i_sb, inode,  in udf_merge_extents()
1152 static void udf_update_extents(struct inode *inode,  in udf_update_extents()  argument
1163 			udf_delete_aext(inode, *epos, laarr[i].extLocation,  in udf_update_extents()
1167 			udf_insert_aext(inode, *epos, laarr[i].extLocation,  in udf_update_extents()
1169 			udf_next_aext(inode, epos, &laarr[i].extLocation,  in udf_update_extents()
1176 		udf_next_aext(inode, epos, &tmploc, &tmplen, 0);  in udf_update_extents()
1177 		udf_write_aext(inode, epos, &laarr[i].extLocation,  in udf_update_extents()
1182 struct buffer_head *udf_bread(struct inode *inode, int block,  in udf_bread()  argument
1187 	bh = udf_getblk(inode, block, create, err);  in udf_bread()
1205 int udf_setsize(struct inode *inode, loff_t newsize)  in udf_setsize()  argument
1209 	int bsize = 1 << inode->i_blkbits;  in udf_setsize()
1211 	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||  in udf_setsize()
1212 	      S_ISLNK(inode->i_mode)))  in udf_setsize()
1214 	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))  in udf_setsize()
1217 	iinfo = UDF_I(inode);  in udf_setsize()
1218 	if (newsize > inode->i_size) {  in udf_setsize()
1222 			    (udf_file_entry_alloc_offset(inode) + newsize)) {  in udf_setsize()
1223 				err = udf_expand_file_adinicb(inode);  in udf_setsize()
1232 		err = udf_extend_file(inode, newsize);  in udf_setsize()
1238 		truncate_setsize(inode, newsize);  in udf_setsize()
1243 			udf_clear_extent_cache(inode);  in udf_setsize()
1246 			       udf_file_entry_alloc_offset(inode));  in udf_setsize()
1248 			truncate_setsize(inode, newsize);  in udf_setsize()
1252 		err = block_truncate_page(inode->i_mapping, newsize,  in udf_setsize()
1257 		udf_clear_extent_cache(inode);  in udf_setsize()
1258 		truncate_setsize(inode, newsize);  in udf_setsize()
1259 		udf_truncate_extents(inode);  in udf_setsize()
1263 	inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb);  in udf_setsize()
1264 	if (IS_SYNC(inode))  in udf_setsize()
1265 		udf_sync_inode(inode);  in udf_setsize()
1267 		mark_inode_dirty(inode);  in udf_setsize()
1278 static int udf_read_inode(struct inode *inode, bool hidden_inode)  in udf_read_inode()  argument
1284 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_read_inode()
1285 	struct udf_sb_info *sbi = UDF_SB(inode->i_sb);  in udf_read_inode()
1289 	int bs = inode->i_sb->s_blocksize;  in udf_read_inode()
1312 	bh = udf_read_ptagged(inode->i_sb, iloc, 0, &ident);  in udf_read_inode()
1314 		udf_err(inode->i_sb, "(ino %ld) failed !bh\n", inode->i_ino);  in udf_read_inode()
1320 		udf_err(inode->i_sb, "(ino %ld) failed ident=%d\n",  in udf_read_inode()
1321 			inode->i_ino, ident);  in udf_read_inode()
1331 		ibh = udf_read_ptagged(inode->i_sb, iloc, 1, &ident);  in udf_read_inode()
1344 					udf_err(inode->i_sb,  in udf_read_inode()
1356 		udf_err(inode->i_sb, "unsupported strategy type: %d\n",  in udf_read_inode()
1376 		ret = udf_alloc_i_data(inode, bs -  in udf_read_inode()
1386 		ret = udf_alloc_i_data(inode, bs - sizeof(struct fileEntry));  in udf_read_inode()
1398 		ret = udf_alloc_i_data(inode, bs -  in udf_read_inode()
1410 	i_uid_write(inode, le32_to_cpu(fe->uid));  in udf_read_inode()
1411 	if (!uid_valid(inode->i_uid) ||  in udf_read_inode()
1412 	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_IGNORE) ||  in udf_read_inode()
1413 	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_SET))  in udf_read_inode()
1414 		inode->i_uid = UDF_SB(inode->i_sb)->s_uid;  in udf_read_inode()
1416 	i_gid_write(inode, le32_to_cpu(fe->gid));  in udf_read_inode()
1417 	if (!gid_valid(inode->i_gid) ||  in udf_read_inode()
1418 	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_IGNORE) ||  in udf_read_inode()
1419 	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_SET))  in udf_read_inode()
1420 		inode->i_gid = UDF_SB(inode->i_sb)->s_gid;  in udf_read_inode()
1424 		inode->i_mode = sbi->s_fmode;  in udf_read_inode()
1427 		inode->i_mode = sbi->s_dmode;  in udf_read_inode()
1429 		inode->i_mode = udf_convert_permissions(fe);  in udf_read_inode()
1430 	inode->i_mode &= ~sbi->s_umask;  in udf_read_inode()
1441 	set_nlink(inode, link_count);  in udf_read_inode()
1443 	inode->i_size = le64_to_cpu(fe->informationLength);  in udf_read_inode()
1444 	iinfo->i_lenExtents = inode->i_size;  in udf_read_inode()
1447 		inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<  in udf_read_inode()
1448 			(inode->i_sb->s_blocksize_bits - 9);  in udf_read_inode()
1450 		if (!udf_disk_stamp_to_time(&inode->i_atime, fe->accessTime))  in udf_read_inode()
1451 			inode->i_atime = sbi->s_record_time;  in udf_read_inode()
1453 		if (!udf_disk_stamp_to_time(&inode->i_mtime,  in udf_read_inode()
1455 			inode->i_mtime = sbi->s_record_time;  in udf_read_inode()
1457 		if (!udf_disk_stamp_to_time(&inode->i_ctime, fe->attrTime))  in udf_read_inode()
1458 			inode->i_ctime = sbi->s_record_time;  in udf_read_inode()
1465 		inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<  in udf_read_inode()
1466 		    (inode->i_sb->s_blocksize_bits - 9);  in udf_read_inode()
1468 		if (!udf_disk_stamp_to_time(&inode->i_atime, efe->accessTime))  in udf_read_inode()
1469 			inode->i_atime = sbi->s_record_time;  in udf_read_inode()
1471 		if (!udf_disk_stamp_to_time(&inode->i_mtime,  in udf_read_inode()
1473 			inode->i_mtime = sbi->s_record_time;  in udf_read_inode()
1478 		if (!udf_disk_stamp_to_time(&inode->i_ctime, efe->attrTime))  in udf_read_inode()
1479 			inode->i_ctime = sbi->s_record_time;  in udf_read_inode()
1486 	inode->i_generation = iinfo->i_unique;  in udf_read_inode()
1495 	if (udf_file_entry_alloc_offset(inode) + iinfo->i_lenAlloc > bs)  in udf_read_inode()
1503 		if (iinfo->i_lenAlloc != inode->i_size)  in udf_read_inode()
1506 		if (inode->i_size > bs - udf_file_entry_alloc_offset(inode))  in udf_read_inode()
1512 		inode->i_op = &udf_dir_inode_operations;  in udf_read_inode()
1513 		inode->i_fop = &udf_dir_operations;  in udf_read_inode()
1514 		inode->i_mode |= S_IFDIR;  in udf_read_inode()
1515 		inc_nlink(inode);  in udf_read_inode()
1522 			inode->i_data.a_ops = &udf_adinicb_aops;  in udf_read_inode()
1524 			inode->i_data.a_ops = &udf_aops;  in udf_read_inode()
1525 		inode->i_op = &udf_file_inode_operations;  in udf_read_inode()
1526 		inode->i_fop = &udf_file_operations;  in udf_read_inode()
1527 		inode->i_mode |= S_IFREG;  in udf_read_inode()
1530 		inode->i_mode |= S_IFBLK;  in udf_read_inode()
1533 		inode->i_mode |= S_IFCHR;  in udf_read_inode()
1536 		init_special_inode(inode, inode->i_mode | S_IFIFO, 0);  in udf_read_inode()
1539 		init_special_inode(inode, inode->i_mode | S_IFSOCK, 0);  in udf_read_inode()
1542 		inode->i_data.a_ops = &udf_symlink_aops;  in udf_read_inode()
1543 		inode->i_op = &udf_symlink_inode_operations;  in udf_read_inode()
1544 		inode->i_mode = S_IFLNK | S_IRWXUGO;  in udf_read_inode()
1556 		udf_err(inode->i_sb, "(ino %ld) failed unknown file type=%d\n",  in udf_read_inode()
1557 			inode->i_ino, fe->icbTag.fileType);  in udf_read_inode()
1560 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {  in udf_read_inode()
1562 			(struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);  in udf_read_inode()
1564 			init_special_inode(inode, inode->i_mode,  in udf_read_inode()
1577 static int udf_alloc_i_data(struct inode *inode, size_t size)  in udf_alloc_i_data()  argument
1579 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_alloc_i_data()
1583 		udf_err(inode->i_sb, "(ino %ld) no free memory\n",  in udf_alloc_i_data()
1584 			inode->i_ino);  in udf_alloc_i_data()
1610 int udf_write_inode(struct inode *inode, struct writeback_control *wbc)  in udf_write_inode()  argument
1612 	return udf_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);  in udf_write_inode()
1615 static int udf_sync_inode(struct inode *inode)  in udf_sync_inode()  argument
1617 	return udf_update_inode(inode, 1);  in udf_sync_inode()
1620 static int udf_update_inode(struct inode *inode, int do_sync)  in udf_update_inode()  argument
1630 	struct udf_sb_info *sbi = UDF_SB(inode->i_sb);  in udf_update_inode()
1631 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;  in udf_update_inode()
1632 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_update_inode()
1634 	bh = udf_tgetblk(inode->i_sb,  in udf_update_inode()
1635 			udf_get_lb_pblock(inode->i_sb, &iinfo->i_location, 0));  in udf_update_inode()
1642 	memset(bh->b_data, 0, inode->i_sb->s_blocksize);  in udf_update_inode()
1652 		       iinfo->i_ext.i_data, inode->i_sb->s_blocksize -  in udf_update_inode()
1668 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))  in udf_update_inode()
1671 		fe->uid = cpu_to_le32(i_uid_read(inode));  in udf_update_inode()
1673 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_FORGET))  in udf_update_inode()
1676 		fe->gid = cpu_to_le32(i_gid_read(inode));  in udf_update_inode()
1678 	udfperms = ((inode->i_mode & S_IRWXO)) |  in udf_update_inode()
1679 		   ((inode->i_mode & S_IRWXG) << 2) |  in udf_update_inode()
1680 		   ((inode->i_mode & S_IRWXU) << 4);  in udf_update_inode()
1688 	if (S_ISDIR(inode->i_mode) && inode->i_nlink > 0)  in udf_update_inode()
1689 		fe->fileLinkCount = cpu_to_le16(inode->i_nlink - 1);  in udf_update_inode()
1691 		fe->fileLinkCount = cpu_to_le16(inode->i_nlink);  in udf_update_inode()
1693 	fe->informationLength = cpu_to_le64(inode->i_size);  in udf_update_inode()
1695 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {  in udf_update_inode()
1698 			(struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);  in udf_update_inode()
1701 				udf_add_extendedattr(inode,  in udf_update_inode()
1716 		dsea->majorDeviceIdent = cpu_to_le32(imajor(inode));  in udf_update_inode()
1717 		dsea->minorDeviceIdent = cpu_to_le32(iminor(inode));  in udf_update_inode()
1724 			(inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>  in udf_update_inode()
1730 		       inode->i_sb->s_blocksize - sizeof(struct fileEntry));  in udf_update_inode()
1733 		udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime);  in udf_update_inode()
1734 		udf_time_to_disk_stamp(&fe->modificationTime, inode->i_mtime);  in udf_update_inode()
1735 		udf_time_to_disk_stamp(&fe->attrTime, inode->i_ctime);  in udf_update_inode()
1749 		       inode->i_sb->s_blocksize -  in udf_update_inode()
1751 		efe->objectSize = cpu_to_le64(inode->i_size);  in udf_update_inode()
1754 		if (iinfo->i_crtime.tv_sec > inode->i_atime.tv_sec ||  in udf_update_inode()
1755 		    (iinfo->i_crtime.tv_sec == inode->i_atime.tv_sec &&  in udf_update_inode()
1756 		     iinfo->i_crtime.tv_nsec > inode->i_atime.tv_nsec))  in udf_update_inode()
1757 			iinfo->i_crtime = inode->i_atime;  in udf_update_inode()
1759 		if (iinfo->i_crtime.tv_sec > inode->i_mtime.tv_sec ||  in udf_update_inode()
1760 		    (iinfo->i_crtime.tv_sec == inode->i_mtime.tv_sec &&  in udf_update_inode()
1761 		     iinfo->i_crtime.tv_nsec > inode->i_mtime.tv_nsec))  in udf_update_inode()
1762 			iinfo->i_crtime = inode->i_mtime;  in udf_update_inode()
1764 		if (iinfo->i_crtime.tv_sec > inode->i_ctime.tv_sec ||  in udf_update_inode()
1765 		    (iinfo->i_crtime.tv_sec == inode->i_ctime.tv_sec &&  in udf_update_inode()
1766 		     iinfo->i_crtime.tv_nsec > inode->i_ctime.tv_nsec))  in udf_update_inode()
1767 			iinfo->i_crtime = inode->i_ctime;  in udf_update_inode()
1769 		udf_time_to_disk_stamp(&efe->accessTime, inode->i_atime);  in udf_update_inode()
1770 		udf_time_to_disk_stamp(&efe->modificationTime, inode->i_mtime);  in udf_update_inode()
1772 		udf_time_to_disk_stamp(&efe->attrTime, inode->i_ctime);  in udf_update_inode()
1794 	if (S_ISDIR(inode->i_mode))  in udf_update_inode()
1796 	else if (S_ISREG(inode->i_mode))  in udf_update_inode()
1798 	else if (S_ISLNK(inode->i_mode))  in udf_update_inode()
1800 	else if (S_ISBLK(inode->i_mode))  in udf_update_inode()
1802 	else if (S_ISCHR(inode->i_mode))  in udf_update_inode()
1804 	else if (S_ISFIFO(inode->i_mode))  in udf_update_inode()
1806 	else if (S_ISSOCK(inode->i_mode))  in udf_update_inode()
1810 			((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) |  in udf_update_inode()
1811 			((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) |  in udf_update_inode()
1812 			((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) |  in udf_update_inode()
1840 			udf_warn(inode->i_sb, "IO error syncing udf inode [%08lx]\n",  in udf_update_inode()
1841 				 inode->i_ino);  in udf_update_inode()
1850 struct inode *__udf_iget(struct super_block *sb, struct kernel_lb_addr *ino,  in __udf_iget()
1854 	struct inode *inode = iget_locked(sb, block);  in __udf_iget()  local
1857 	if (!inode)  in __udf_iget()
1860 	if (!(inode->i_state & I_NEW))  in __udf_iget()
1861 		return inode;  in __udf_iget()
1863 	memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr));  in __udf_iget()
1864 	err = udf_read_inode(inode, hidden_inode);  in __udf_iget()
1866 		iget_failed(inode);  in __udf_iget()
1869 	unlock_new_inode(inode);  in __udf_iget()
1871 	return inode;  in __udf_iget()
1874 int udf_add_aext(struct inode *inode, struct extent_position *epos,  in udf_add_aext()  argument
1882 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_add_aext()
1886 			udf_file_entry_alloc_offset(inode) +  in udf_add_aext()
1898 	if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) {  in udf_add_aext()
1904 		epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL,  in udf_add_aext()
1909 		nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,  in udf_add_aext()
1915 		memset(nbh->b_data, 0x00, inode->i_sb->s_blocksize);  in udf_add_aext()
1918 		mark_buffer_dirty_inode(nbh, inode);  in udf_add_aext()
1921 		if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))  in udf_add_aext()
1924 		if (epos->offset + adsize > inode->i_sb->s_blocksize) {  in udf_add_aext()
1942 				mark_inode_dirty(inode);  in udf_add_aext()
1945 		if (UDF_SB(inode->i_sb)->s_udfrev >= 0x0200)  in udf_add_aext()
1955 						     inode->i_sb->s_blocksize);  in udf_add_aext()
1962 						     inode->i_sb->s_blocksize);  in udf_add_aext()
1968 			if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||  in udf_add_aext()
1969 			    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)  in udf_add_aext()
1974 			mark_buffer_dirty_inode(epos->bh, inode);  in udf_add_aext()
1977 			mark_inode_dirty(inode);  in udf_add_aext()
1982 	udf_write_aext(inode, epos, eloc, elen, inc);  in udf_add_aext()
1986 		mark_inode_dirty(inode);  in udf_add_aext()
1990 		if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||  in udf_add_aext()
1991 				UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)  in udf_add_aext()
1997 		mark_buffer_dirty_inode(epos->bh, inode);  in udf_add_aext()
2003 void udf_write_aext(struct inode *inode, struct extent_position *epos,  in udf_write_aext()  argument
2010 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_write_aext()
2014 			udf_file_entry_alloc_offset(inode) +  in udf_write_aext()
2038 		if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||  in udf_write_aext()
2039 		    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) {  in udf_write_aext()
2046 		mark_buffer_dirty_inode(epos->bh, inode);  in udf_write_aext()
2048 		mark_inode_dirty(inode);  in udf_write_aext()
2061 int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,  in udf_next_aext()  argument
2067 	while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==  in udf_next_aext()
2072 			udf_err(inode->i_sb,  in udf_next_aext()
2074 				inode->i_ino);  in udf_next_aext()
2081 		block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);  in udf_next_aext()
2082 		epos->bh = udf_tread(inode->i_sb, block);  in udf_next_aext()
2092 int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,  in udf_current_aext()  argument
2100 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_current_aext()
2104 			epos->offset = udf_file_entry_alloc_offset(inode);  in udf_current_aext()
2106 			udf_file_entry_alloc_offset(inode) +  in udf_current_aext()
2108 		alen = udf_file_entry_alloc_offset(inode) +  in udf_current_aext()
2146 static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,  in udf_insert_aext()  argument
2156 	while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {  in udf_insert_aext()
2157 		udf_write_aext(inode, &epos, &neloc, nelen, 1);  in udf_insert_aext()
2161 	udf_add_aext(inode, &epos, &neloc, nelen, 1);  in udf_insert_aext()
2167 int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,  in udf_delete_aext()  argument
2181 	iinfo = UDF_I(inode);  in udf_delete_aext()
2190 	if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1)  in udf_delete_aext()
2193 	while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {  in udf_delete_aext()
2194 		udf_write_aext(inode, &oepos, &eloc, (etype << 30) | elen, 1);  in udf_delete_aext()
2207 		udf_free_blocks(inode->i_sb, inode, &epos.block, 0, 1);  in udf_delete_aext()
2208 		udf_write_aext(inode, &oepos, &eloc, elen, 1);  in udf_delete_aext()
2209 		udf_write_aext(inode, &oepos, &eloc, elen, 1);  in udf_delete_aext()
2212 			mark_inode_dirty(inode);  in udf_delete_aext()
2216 			if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||  in udf_delete_aext()
2217 			    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)  in udf_delete_aext()
2223 			mark_buffer_dirty_inode(oepos.bh, inode);  in udf_delete_aext()
2226 		udf_write_aext(inode, &oepos, &eloc, elen, 1);  in udf_delete_aext()
2229 			mark_inode_dirty(inode);  in udf_delete_aext()
2233 			if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||  in udf_delete_aext()
2234 			    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)  in udf_delete_aext()
2240 			mark_buffer_dirty_inode(oepos.bh, inode);  in udf_delete_aext()
2250 int8_t inode_bmap(struct inode *inode, sector_t block,  in inode_bmap()  argument
2254 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;  in inode_bmap()
2260 	iinfo = UDF_I(inode);  in inode_bmap()
2261 	if (!udf_read_extent_cache(inode, bcount, &lbcount, pos)) {  in inode_bmap()
2268 		etype = udf_next_aext(inode, pos, eloc, elen, 1);  in inode_bmap()
2277 	udf_update_extent_cache(inode, lbcount - *elen, pos, 1);  in inode_bmap()
2283 long udf_block_map(struct inode *inode, sector_t block)  in udf_block_map()  argument
2291 	down_read(&UDF_I(inode)->i_data_sem);  in udf_block_map()
2293 	if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==  in udf_block_map()
2295 		ret = udf_get_lb_pblock(inode->i_sb, &eloc, offset);  in udf_block_map()
2299 	up_read(&UDF_I(inode)->i_data_sem);  in udf_block_map()
2302 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_VARCONV))  in udf_block_map()