int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
loff_t offset, size_t size)
{
- struct ecryptfs_inode_info *inode_info;
+ struct file *lower_file;
mm_segment_t fs_save;
ssize_t rc;
- inode_info = ecryptfs_inode_to_private(ecryptfs_inode);
- BUG_ON(!inode_info->lower_file);
+ lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
+ if (!lower_file)
+ return -EIO;
fs_save = get_fs();
set_fs(get_ds());
- rc = vfs_write(inode_info->lower_file, data, size, &offset);
+ rc = vfs_write(lower_file, data, size, &offset);
set_fs(fs_save);
mark_inode_dirty_sync(ecryptfs_inode);
return rc;
size_t num_bytes = (PAGE_CACHE_SIZE - start_offset_in_page);
size_t total_remaining_bytes = ((offset + size) - pos);
+ if (fatal_signal_pending(current)) {
+ rc = -EINTR;
+ break;
+ }
+
if (num_bytes > total_remaining_bytes)
num_bytes = total_remaining_bytes;
if (pos < offset) {
}
pos += num_bytes;
}
- if ((offset + size) > ecryptfs_file_size) {
- i_size_write(ecryptfs_inode, (offset + size));
+ if (pos > ecryptfs_file_size) {
+ i_size_write(ecryptfs_inode, pos);
if (crypt_stat->flags & ECRYPTFS_ENCRYPTED) {
- rc = ecryptfs_write_inode_size_to_metadata(
+ int rc2;
+
+ rc2 = ecryptfs_write_inode_size_to_metadata(
ecryptfs_inode);
- if (rc) {
+ if (rc2) {
printk(KERN_ERR "Problem with "
"ecryptfs_write_inode_size_to_metadata; "
- "rc = [%d]\n", rc);
+ "rc = [%d]\n", rc2);
+ if (!rc)
+ rc = rc2;
goto out;
}
}
int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
struct inode *ecryptfs_inode)
{
- struct ecryptfs_inode_info *inode_info =
- ecryptfs_inode_to_private(ecryptfs_inode);
+ struct file *lower_file;
mm_segment_t fs_save;
ssize_t rc;
- BUG_ON(!inode_info->lower_file);
+ lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
+ if (!lower_file)
+ return -EIO;
fs_save = get_fs();
set_fs(get_ds());
- rc = vfs_read(inode_info->lower_file, data, size, &offset);
+ rc = vfs_read(lower_file, data, size, &offset);
set_fs(fs_save);
return rc;
}