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pNFS: Ensure we check layout segment validity in the pg_init() callback

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If we have a layout segment cached in pgio->pg_lseg, we should check it
for validity before reusing it in a new RPC request. Otherwise, if we
recoalesce, we can end up looping forever.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2017-04-25 10:56:19 -04:00
commit b3230e80a6
4 changed files with 18 additions and 0 deletions
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