Re: [PATCH try #2] fuse: fix error case in fuse_readpages

From: David Howells
Date: Fri Aug 11 2006 - 04:09:54 EST

Andrew Morton <akpm@xxxxxxxx> wrote:

> > Don't let fuse_readpages leave the @pages list not empty when exiting
> > on error.
> >
> Oh dear. read_cache_pages_release_page() is not a readahead thing. It is
> a dhowells fscache thing.

The pages passed to read_cache_pages() may already be marked with metadata
information (such as to-be-cached marks from NFS or AFS calling FS-Cache), so
we can't just ditch the pages on an error, we have to clean them up properly.

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