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path: root/fs/nfs/nfs4proc.c
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Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ab6b2e5c923e..81ccdbbb43e8 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3908,8 +3908,15 @@ static void nfs4_construct_boot_verifier(struct nfs_client *clp,
{
__be32 verf[2];
- verf[0] = (__be32)clp->cl_boot_time.tv_sec;
- verf[1] = (__be32)clp->cl_boot_time.tv_nsec;
+ if (test_bit(NFS4CLNT_PURGE_STATE, &clp->cl_state)) {
+ /* An impossible timestamp guarantees this value
+ * will never match a generated boot time. */
+ verf[0] = 0;
+ verf[1] = (__be32)(NSEC_PER_SEC + 1);
+ } else {
+ verf[0] = (__be32)clp->cl_boot_time.tv_sec;
+ verf[1] = (__be32)clp->cl_boot_time.tv_nsec;
+ }
memcpy(bootverf->data, verf, sizeof(bootverf->data));
}