trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
+ btrfs_update_iflags(inode);
+ inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, root, inode);
BUG_ON(ret);
- btrfs_update_iflags(inode);
- inode->i_ctime = CURRENT_TIME;
btrfs_end_transaction(trans, root);
mnt_drop_write(file->f_path.mnt);
return 0;
file_end = (isize - 1) >> PAGE_CACHE_SHIFT;
+ mutex_lock(&inode->i_mutex);
ret = btrfs_delalloc_reserve_space(inode,
num_pages << PAGE_CACHE_SHIFT);
+ mutex_unlock(&inode->i_mutex);
if (ret)
return ret;
again:
}
ret = btrfs_grow_device(trans, device, new_size);
btrfs_commit_transaction(trans, root);
- } else {
+ } else if (new_size < old_size) {
ret = btrfs_shrink_device(device, new_size);
}