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Commit 0a57cdac authored Apr 27, 2012 by Andy Adamson Committed by Trond Myklebust May 19, 2012

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>

parent 671fb896

fs/nfs/nfs4filelayout.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -186,6 +186,8 @@ static int filelayout_async_handle_error(struct rpc_task *task,
		case -EPIPE:
		dprintk("%s DS connection error %d\n", __func__,
		task->tk_status);
		if (!filelayout_test_devid_invalid(devid))
		_pnfs_return_layout(state->inode);
		filelayout_mark_devid_invalid(devid);
		rpc_wake_up(&tbl->slot_tbl_waitq);
		/* fall through */

fs/nfs/pnfs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -692,6 +692,7 @@ _pnfs_return_layout(struct inode *ino)
		dprintk("<-- %s status: %d\n", __func__, status);
		return status;
		}
		EXPORT_SYMBOL_GPL(_pnfs_return_layout);

		bool pnfs_roc(struct inode *ino)
		{