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pNFS: return status from nfs4_pnfs_ds_connect

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The nfs4_pnfs_ds_connect path can call rpc_create which can fail or it
can wait on another context to reach the same failure.

This checks that the rpc_create succeeded and returns the error to the
caller.

When an error is returned, both the files and flexfiles layouts will return
NULL from _prepare_ds(). The flexfiles layout will also return the layout
with the error NFS4ERR_NXIO.

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Weston Andros Adamson 2017-03-09 12:56:48 -05:00 • committed by Anna Schumaker
commit a33e4b036d
6 changed files with 48 additions and 6 deletions
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