forked from luck/tmp_suning_uos_patched
NFSv4.1 send layoutreturn to fence disconnected data server
Let the MDS know that you are redirecting I/O from pNFS to MDS. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -186,6 +186,8 @@ static int filelayout_async_handle_error(struct rpc_task *task,
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case -EPIPE:
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dprintk("%s DS connection error %d\n", __func__,
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task->tk_status);
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if (!filelayout_test_devid_invalid(devid))
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_pnfs_return_layout(state->inode);
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filelayout_mark_devid_invalid(devid);
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rpc_wake_up(&tbl->slot_tbl_waitq);
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/* fall through */
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@ -692,6 +692,7 @@ _pnfs_return_layout(struct inode *ino)
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dprintk("<-- %s status: %d\n", __func__, status);
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return status;
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}
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EXPORT_SYMBOL_GPL(_pnfs_return_layout);
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bool pnfs_roc(struct inode *ino)
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{
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