diff options
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/delegation.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index a0f798d3c74f..aff2416dc277 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -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)) - goto out; + } 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: |