hc
2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf
kernel/fs/udf/file.c
....@@ -147,26 +147,24 @@
147147 goto out;
148148
149149 down_write(&iinfo->i_data_sem);
150
- if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
151
- loff_t end = iocb->ki_pos + iov_iter_count(from);
152
-
153
- if (inode->i_sb->s_blocksize <
154
- (udf_file_entry_alloc_offset(inode) + end)) {
155
- err = udf_expand_file_adinicb(inode);
156
- if (err) {
157
- inode_unlock(inode);
158
- udf_debug("udf_expand_adinicb: err=%d\n", err);
159
- return err;
160
- }
161
- } else {
162
- iinfo->i_lenAlloc = max(end, inode->i_size);
163
- 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;
164158 }
165159 } else
166160 up_write(&iinfo->i_data_sem);
167161
168162 retval = __generic_file_write_iter(iocb, from);
169163 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);
170168 inode_unlock(inode);
171169
172170 if (retval > 0) {