When a direct I/O write falls entirely and falls back to buffered I/O and the
buffered I/O fails, the write failed with return value 0 instead of the error
number reported by the buffered I/O. Fix that.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
current->backing_dev_info = inode_to_bdi(inode);
buffered = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops);
current->backing_dev_info = NULL;
- if (unlikely(buffered <= 0))
+ if (unlikely(buffered <= 0)) {
+ if (!ret)
+ ret = buffered;
goto out_unlock;
+ }
/*
* We need to ensure that the page cache pages are written to