Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH 2/2] mm: Make swap_readpage() for SWP_FS_OPS use ->direct_IO() not ->readpage() | Date | Thu, 12 Aug 2021 14:23:08 +0100 |
| |
Matthew Wilcox <willy@infradead.org> wrote:
> After submitting the IO here ... > > > + if (ret != -EIOCBQUEUED) > > + swapfile_read_complete(&ki->iocb, ret, 0); > > We only touch the 'ki' here ... if the caller didn't call read_complete > > > + swapfile_put_kiocb(ki); > > Except for here, which is only touched in order to put the refcount. > > So why can't swapfile_read_complete() do the work of freeing the ki?
When I was doing something similar for cachefiles, I couldn't get it to work like that. I'll have another look at that.
David
| |