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Commit 69820d22 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

pNFS: Don't mark layout segments invalid on layoutreturn in pnfs_roc 



The layoutreturn call will take care of invalidating the layout segments
once the call is successful.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 94e5c571

fs/nfs/pnfs.c

+13 −7
Original line number Diff line number Diff line
@@ -1205,22 +1205,28 @@ bool pnfs_roc(struct inode *ino) 
			goto out_noroc;

	}



	/* always send layoutreturn if being marked so */

	if (test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags))

		layoutreturn = pnfs_prepare_layoutreturn(lo,

				&stateid, NULL);



	list_for_each_entry_safe(lseg, tmp, &lo->plh_segs, pls_list)

	list_for_each_entry_safe(lseg, tmp, &lo->plh_segs, pls_list) {

		/* If we are sending layoutreturn, invalidate all valid lsegs */

		if (layoutreturn || test_bit(NFS_LSEG_ROC, &lseg->pls_flags)) {

		if (test_bit(NFS_LSEG_ROC, &lseg->pls_flags)) {

			mark_lseg_invalid(lseg, &tmp_list);

			found = true;

		}

	}



	/* always send layoutreturn if being marked so */

	if (test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) {

		layoutreturn = pnfs_prepare_layoutreturn(lo,

				&stateid, NULL);

		if (layoutreturn)

			goto out_noroc;

	}



	/* ROC in two conditions:

	 * 1. there are ROC lsegs

	 * 2. we don't send layoutreturn

	 */

	if (found && !layoutreturn) {

	if (found) {

		/* lo ref dropped in pnfs_roc_release() */

		pnfs_get_layout_hdr(lo);

		roc = true;