tree 48fccab3b8e498cdbc9b9bd9849d9677b7d0feeb
parent dbd040b42d987f6d73192e9721b8722816d38c06
author J. Bruce Fields <bfields@redhat.com> 1505863541 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1564904016 +0200

nfsd: give out fewer session slots as limit approaches

[ Upstream commit de766e570413bd0484af0b580299b495ada625c3 ]

Instead of granting client's full requests until we hit our DRC size
limit and then failing CREATE_SESSIONs (and hence mounts) completely,
start granting clients smaller slot tables as we approach the limit.

The factor chosen here is pretty much arbitrary.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>