export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/fs/udf/file.c
..
..
@@ -50,7 +50,7 @@
50
50
 	 * So just sample it once and use the same value everywhere.
51
51
 	 */
52
52
 	kaddr = kmap_atomic(page);
53
-	memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, isize);
53
+	memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize);
54
54
 	memset(kaddr + isize, 0, PAGE_SIZE - isize);
55
55
 	flush_dcache_page(page);
56
56
 	SetPageUptodate(page);
..
..
@@ -76,8 +76,7 @@
76
76
 	BUG_ON(!PageLocked(page));
77
77
 
78
78
 	kaddr = kmap_atomic(page);
79
-	memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr,
80
-		i_size_read(inode));
79
+	memcpy(iinfo->i_data + iinfo->i_lenEAttr, kaddr, i_size_read(inode));
81
80
 	SetPageUptodate(page);
82
81
 	kunmap_atomic(kaddr);
83
82
 	mark_inode_dirty(inode);
..
..
@@ -148,26 +147,24 @@
148
147
 		goto out;
149
148
 
150
149
 	down_write(&iinfo->i_data_sem);
151
-	if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
152
-		loff_t end = iocb->ki_pos + iov_iter_count(from);
153
-
154
-		if (inode->i_sb->s_blocksize <
155
-				(udf_file_entry_alloc_offset(inode) + end)) {
156
-			err = udf_expand_file_adinicb(inode);
157
-			if (err) {
158
-				inode_unlock(inode);
159
-				udf_debug("udf_expand_adinicb: err=%d\n", err);
160
-				return err;
161
-			}
162
-		} else {
163
-			iinfo->i_lenAlloc = max(end, inode->i_size);
164
-			up_write(&iinfo->i_data_sem);
150
+	if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB &&
151
+	    inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
152
+				 iocb->ki_pos + iov_iter_count(from))) {
153
+		err = udf_expand_file_adinicb(inode);
154
+		if (err) {
155
+			inode_unlock(inode);
156
+			udf_debug("udf_expand_adinicb: err=%d\n", err);
157
+			return err;
165
158
 		}
166
159
 	} else
167
160
 		up_write(&iinfo->i_data_sem);
168
161
 
169
162
 	retval = __generic_file_write_iter(iocb, from);
170
163
 out:
164
+	down_write(&iinfo->i_data_sem);
165
+	if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB && retval > 0)
166
+		iinfo->i_lenAlloc = inode->i_size;
167
+	up_write(&iinfo->i_data_sem);
171
168
 	inode_unlock(inode);
172
169
 
173
170
 	if (retval > 0) {
..
..
@@ -215,7 +212,7 @@
215
212
 		return put_user(UDF_I(inode)->i_lenEAttr, (int __user *)arg);
216
213
 	case UDF_GETEABLOCK:
217
214
 		return copy_to_user((char __user *)arg,
218
-				    UDF_I(inode)->i_ext.i_data,
215
+				    UDF_I(inode)->i_data,
219
216
 				    UDF_I(inode)->i_lenEAttr) ? -EFAULT : 0;
220
217
 	default:
221
218
 		return -ENOIOCTLCMD;
..
..
@@ -280,6 +277,9 @@
280
277
 			return error;
281
278
 	}
282
279
 
280
+	if (attr->ia_valid & ATTR_MODE)
281
+		udf_update_extra_perms(inode, attr->ia_mode);
282
+
283
283
 	setattr_copy(inode, attr);
284
284
 	mark_inode_dirty(inode);
285
285
 	return 0;