NFSv4: Update the stateid seqid in nfs_revoke_delegation() (f2d47b55) · Commits · 戴 / test

If we revoke a delegation, but the stateid's seqid is newer, then ensure we update the seqid when marking the delegation as revoked. Signed-off-by:

fs/nfs/delegation.c

+13 −2

Original line number	Diff line number	Diff line
		@@ -771,8 +771,19 @@ static bool nfs_revoke_delegation(struct inode *inode,
		if (stateid == NULL) {
		nfs4_stateid_copy(&tmp, &delegation->stateid);
		stateid = &tmp;
		} else if (!nfs4_stateid_match(stateid, &delegation->stateid))
		} else {
		if (!nfs4_stateid_match_other(stateid, &delegation->stateid))
		goto out;
		spin_lock(&delegation->lock);
		if (stateid->seqid) {
		if (nfs4_stateid_is_newer(&delegation->stateid, stateid)) {
		spin_unlock(&delegation->lock);
		goto out;
		}
		delegation->stateid.seqid = stateid->seqid;
		}
		spin_unlock(&delegation->lock);
		}
		nfs_mark_delegation_revoked(NFS_SERVER(inode), delegation);
		ret = true;
		out: