64 #define IHDR(inode, raw_inode) \  argument
68 		 EXT3_I(inode)->i_extra_isize))
72 # define ea_idebug(inode, f...) do { \  argument
74 			inode->i_sb->s_id, inode->i_ino); \
92 static struct buffer_head *ext3_xattr_cache_find(struct inode *,
211 ext3_xattr_block_get(struct inode *inode, int name_index, const char *name,  in ext3_xattr_block_get()  argument
219 	ea_idebug(inode, "name=%d.%s, buffer=%p, buffer_size=%ld",  in ext3_xattr_block_get()
223 	if (!EXT3_I(inode)->i_file_acl)  in ext3_xattr_block_get()
225 	ea_idebug(inode, "reading block %u", EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_get()
226 	bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_get()
232 bad_block:	ext3_error(inode->i_sb, __func__,  in ext3_xattr_block_get()
233 			   "inode %lu: bad block "E3FSBLK, inode->i_ino,  in ext3_xattr_block_get()
234 			   EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_get()
261 ext3_xattr_ibody_get(struct inode *inode, int name_index, const char *name,  in ext3_xattr_ibody_get()  argument
272 	if (!ext3_test_inode_state(inode, EXT3_STATE_XATTR))  in ext3_xattr_ibody_get()
274 	error = ext3_get_inode_loc(inode, &iloc);  in ext3_xattr_ibody_get()
278 	header = IHDR(inode, raw_inode);  in ext3_xattr_ibody_get()
280 	end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;  in ext3_xattr_ibody_get()
314 ext3_xattr_get(struct inode *inode, int name_index, const char *name,  in ext3_xattr_get()  argument
319 	down_read(&EXT3_I(inode)->xattr_sem);  in ext3_xattr_get()
320 	error = ext3_xattr_ibody_get(inode, name_index, name, buffer,  in ext3_xattr_get()
323 		error = ext3_xattr_block_get(inode, name_index, name, buffer,  in ext3_xattr_get()
325 	up_read(&EXT3_I(inode)->xattr_sem);  in ext3_xattr_get()
358 	struct inode *inode = d_inode(dentry);  in ext3_xattr_block_list()  local
362 	ea_idebug(inode, "buffer=%p, buffer_size=%ld",  in ext3_xattr_block_list()
366 	if (!EXT3_I(inode)->i_file_acl)  in ext3_xattr_block_list()
368 	ea_idebug(inode, "reading block %u", EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_list()
369 	bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_list()
376 		ext3_error(inode->i_sb, __func__,  in ext3_xattr_block_list()
377 			   "inode %lu: bad block "E3FSBLK, inode->i_ino,  in ext3_xattr_block_list()
378 			   EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_list()
394 	struct inode *inode = d_inode(dentry);  in ext3_xattr_ibody_list()  local
401 	if (!ext3_test_inode_state(inode, EXT3_STATE_XATTR))  in ext3_xattr_ibody_list()
403 	error = ext3_get_inode_loc(inode, &iloc);  in ext3_xattr_ibody_list()
407 	header = IHDR(inode, raw_inode);  in ext3_xattr_ibody_list()
408 	end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;  in ext3_xattr_ibody_list()
473 ext3_xattr_release_block(handle_t *handle, struct inode *inode,  in ext3_xattr_release_block()  argument
490 		ext3_free_blocks(handle, inode, bh->b_blocknr, 1);  in ext3_xattr_release_block()
492 		ext3_forget(handle, 1, inode, bh, bh->b_blocknr);  in ext3_xattr_release_block()
496 		if (IS_SYNC(inode))  in ext3_xattr_release_block()
498 		dquot_free_block(inode, 1);  in ext3_xattr_release_block()
506 	ext3_std_error(inode->i_sb, error);  in ext3_xattr_release_block()
631 ext3_xattr_block_find(struct inode *inode, struct ext3_xattr_info *i,  in ext3_xattr_block_find()  argument
634 	struct super_block *sb = inode->i_sb;  in ext3_xattr_block_find()
637 	ea_idebug(inode, "name=%d.%s, value=%p, value_len=%ld",  in ext3_xattr_block_find()
640 	if (EXT3_I(inode)->i_file_acl) {  in ext3_xattr_block_find()
642 		bs->bh = sb_bread(sb, EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_find()
651 				"inode %lu: bad block "E3FSBLK, inode->i_ino,  in ext3_xattr_block_find()
652 				EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_find()
674 ext3_xattr_block_set(handle_t *handle, struct inode *inode,  in ext3_xattr_block_set()  argument
678 	struct super_block *sb = inode->i_sb;  in ext3_xattr_block_set()
764 		new_bh = ext3_xattr_cache_find(inode, header(s->base), &ce);  in ext3_xattr_block_set()
772 				error = dquot_alloc_block(inode, 1);  in ext3_xattr_block_set()
799 						EXT3_I(inode)->i_block_group);  in ext3_xattr_block_set()
807 			mutex_lock(&EXT3_I(inode)->truncate_mutex);  in ext3_xattr_block_set()
808 			block = ext3_new_block(handle, inode, goal, &error);  in ext3_xattr_block_set()
809 			mutex_unlock(&EXT3_I(inode)->truncate_mutex);  in ext3_xattr_block_set()
812 			ea_idebug(inode, "creating block %d", block);  in ext3_xattr_block_set()
817 				ext3_free_blocks(handle, inode, block, 1);  in ext3_xattr_block_set()
838 	EXT3_I(inode)->i_file_acl = new_bh ? new_bh->b_blocknr : 0;  in ext3_xattr_block_set()
842 		ext3_xattr_release_block(handle, inode, bs->bh);  in ext3_xattr_block_set()
855 	dquot_free_block(inode, 1);  in ext3_xattr_block_set()
859 	ext3_error(inode->i_sb, __func__,  in ext3_xattr_block_set()
860 		   "inode %lu: bad block "E3FSBLK, inode->i_ino,  in ext3_xattr_block_set()
861 		   EXT3_I(inode)->i_file_acl);  in ext3_xattr_block_set()
873 ext3_xattr_ibody_find(struct inode *inode, struct ext3_xattr_info *i,  in ext3_xattr_ibody_find()  argument
880 	if (EXT3_I(inode)->i_extra_isize == 0)  in ext3_xattr_ibody_find()
883 	header = IHDR(inode, raw_inode);  in ext3_xattr_ibody_find()
886 	is->s.end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;  in ext3_xattr_ibody_find()
887 	if (ext3_test_inode_state(inode, EXT3_STATE_XATTR)) {  in ext3_xattr_ibody_find()
903 ext3_xattr_ibody_set(handle_t *handle, struct inode *inode,  in ext3_xattr_ibody_set()  argument
911 	if (EXT3_I(inode)->i_extra_isize == 0)  in ext3_xattr_ibody_set()
916 	header = IHDR(inode, ext3_raw_inode(&is->iloc));  in ext3_xattr_ibody_set()
919 		ext3_set_inode_state(inode, EXT3_STATE_XATTR);  in ext3_xattr_ibody_set()
922 		ext3_clear_inode_state(inode, EXT3_STATE_XATTR);  in ext3_xattr_ibody_set()
940 ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,  in ext3_xattr_set_handle()  argument
963 	down_write(&EXT3_I(inode)->xattr_sem);  in ext3_xattr_set_handle()
964 	error = ext3_get_inode_loc(inode, &is.iloc);  in ext3_xattr_set_handle()
972 	if (ext3_test_inode_state(inode, EXT3_STATE_NEW)) {  in ext3_xattr_set_handle()
974 		memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size);  in ext3_xattr_set_handle()
975 		ext3_clear_inode_state(inode, EXT3_STATE_NEW);  in ext3_xattr_set_handle()
978 	error = ext3_xattr_ibody_find(inode, &i, &is);  in ext3_xattr_set_handle()
982 		error = ext3_xattr_block_find(inode, &i, &bs);  in ext3_xattr_set_handle()
999 			error = ext3_xattr_ibody_set(handle, inode, &i, &is);  in ext3_xattr_set_handle()
1001 			error = ext3_xattr_block_set(handle, inode, &i, &bs);  in ext3_xattr_set_handle()
1003 		error = ext3_xattr_ibody_set(handle, inode, &i, &is);  in ext3_xattr_set_handle()
1006 			error = ext3_xattr_block_set(handle, inode, &i, &bs);  in ext3_xattr_set_handle()
1008 			if (EXT3_I(inode)->i_file_acl && !bs.s.base) {  in ext3_xattr_set_handle()
1009 				error = ext3_xattr_block_find(inode, &i, &bs);  in ext3_xattr_set_handle()
1013 			error = ext3_xattr_block_set(handle, inode, &i, &bs);  in ext3_xattr_set_handle()
1018 				error = ext3_xattr_ibody_set(handle, inode, &i,  in ext3_xattr_set_handle()
1024 		ext3_xattr_update_super_block(handle, inode->i_sb);  in ext3_xattr_set_handle()
1025 		inode->i_ctime = CURRENT_TIME_SEC;  in ext3_xattr_set_handle()
1026 		error = ext3_mark_iloc_dirty(handle, inode, &is.iloc);  in ext3_xattr_set_handle()
1032 		if (IS_SYNC(inode))  in ext3_xattr_set_handle()
1039 	up_write(&EXT3_I(inode)->xattr_sem);  in ext3_xattr_set_handle()
1052 ext3_xattr_set(struct inode *inode, int name_index, const char *name,  in ext3_xattr_set()  argument
1059 	handle = ext3_journal_start(inode, EXT3_DATA_TRANS_BLOCKS(inode->i_sb));  in ext3_xattr_set()
1065 		error = ext3_xattr_set_handle(handle, inode, name_index, name,  in ext3_xattr_set()
1069 		    ext3_should_retry_alloc(inode->i_sb, &retries))  in ext3_xattr_set()
1086 ext3_xattr_delete_inode(handle_t *handle, struct inode *inode)  in ext3_xattr_delete_inode()  argument
1090 	if (!EXT3_I(inode)->i_file_acl)  in ext3_xattr_delete_inode()
1092 	bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);  in ext3_xattr_delete_inode()
1094 		ext3_error(inode->i_sb, __func__,  in ext3_xattr_delete_inode()
1095 			"inode %lu: block "E3FSBLK" read error", inode->i_ino,  in ext3_xattr_delete_inode()
1096 			EXT3_I(inode)->i_file_acl);  in ext3_xattr_delete_inode()
1101 		ext3_error(inode->i_sb, __func__,  in ext3_xattr_delete_inode()
1102 			"inode %lu: bad block "E3FSBLK, inode->i_ino,  in ext3_xattr_delete_inode()
1103 			EXT3_I(inode)->i_file_acl);  in ext3_xattr_delete_inode()
1106 	ext3_xattr_release_block(handle, inode, bh);  in ext3_xattr_delete_inode()
1107 	EXT3_I(inode)->i_file_acl = 0;  in ext3_xattr_delete_inode()
1206 ext3_xattr_cache_find(struct inode *inode, struct ext3_xattr_header *header,  in ext3_xattr_cache_find()  argument
1214 	ea_idebug(inode, "looking for cached blocks [%x]", (int)hash);  in ext3_xattr_cache_find()
1216 	ce = mb_cache_entry_find_first(ext3_xattr_cache, inode->i_sb->s_bdev,  in ext3_xattr_cache_find()
1226 		bh = sb_bread(inode->i_sb, ce->e_block);  in ext3_xattr_cache_find()
1228 			ext3_error(inode->i_sb, __func__,  in ext3_xattr_cache_find()
1230 				inode->i_ino, (unsigned long) ce->e_block);  in ext3_xattr_cache_find()
1233 			ea_idebug(inode, "block %lu refcount %d>=%d",  in ext3_xattr_cache_find()
1242 		ce = mb_cache_entry_find_next(ce, inode->i_sb->s_bdev, hash);  in ext3_xattr_cache_find()