Messages in this thread |  | | | Date | Sat, 16 Nov 2002 04:44:54 +0000 | | From | Christoph Hellwig <> | | Subject | Re: NFS mountned directory and apache2 (2.5.47) |
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On Fri, Nov 15, 2002 at 09:53:03PM +0100, Trond Myklebust wrote: > > Linus removed that in early 2.5 because it led to kmap() > > deadlocks. sendfile can fail with EINVAL and userspace must > > not rely on it working on any object. > > Fair enough. The kernel may not be the appropriate place for providing > such an emulation, but there's no reason why glibc shouldn't be able > to do so for the case where sendfile returns EINVAL.
*nod*
> However none of this changes the matter of the NFS client. The latter > *does* support a pagecache, and so the one-line patch is appropriate.
just a little bit more then one line :) nfs needs to do the same revalidation as in nfs_file_read and then call generic_file_sendfile.
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