tree a7c6f43fcf07eb6de7755152b38ae36d670910d5
parent e4af440aaf390ac1d39b26ef6cf4a28bcb6a5979
author Trond Myklebust <trond.myklebust@primarydata.com> 1423175259 -0500
committer Trond Myklebust <trond.myklebust@primarydata.com> 1423197858 -0500

NFSv4.1: Fix pnfs_put_lseg races

pnfs_layoutreturn_free_lseg_async() can also race with inode put in
the general case. We can now fix this, and also simplify the code.

Cc: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>