NFS: Ensure NFS writeback allocations don't recurse back into NFS.
mainline inclusion from mainline-v5.0-rc1 commit 875bc3fb category: bugfix bugzilla: NA CVE: NA -------------------------------- All the allocations that we can hit in the NFS layer and sunrpc layers themselves are already marked as GFP_NOFS, but we need to ensure that any calls to generic kernel functionality do the right thing as well. Signed-off-by:Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by:
Zhang Xiaoxu <zhangxiaoxu5@huawei.com> Reviewed-by:
Zhang Yi <yi.zhang@huawei.com> Signed-off-by:
Yang Yingliang <yangyingliang@huawei.com>
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