tree 9aa6b62856426e5aba7f34b3bbc9b24c87a54b87
parent f0e2993e9e73e8f38b05a89c98b9db94fec2199d
author NeilBrown <neilb@suse.de> 1144734932 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1144761532 -0700

[PATCH] knfsd: nfsd4: fix corruption of returned data when using 64k pages

In v4 we grab an extra page just for the padding of returned data.  The
formula that the rpc server uses to allocate pages for the response doesn't
take into account this extra page.

Instead of adjusting those formulae, we adopt the same solution as v2 and v3,
and put the "tail" data in the same page as the "head" data.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>