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nfsd: Support the server resetting the boot verifier

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Add support to allow the server to reset the boot verifier in order to
force clients to resend I/O after a timeout failure.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust
2019-09-02 13:02:56 -04:00
committed by J. Bruce Fields
parent 5e113224c1
commit 27c438f53e
5 changed files with 48 additions and 15 deletions
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fs/nfsd/nfsctl.c
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@@ -1477,6 +1477,7 @@ static __net_init int nfsd_init_net(struct net *net)
atomic_set(&nn->ntf_refcnt, 0);
init_waitqueue_head(&nn->ntf_wq);
seqlock_init(&nn->boot_lock);
mnt = vfs_kern_mount(&nfsd_fs_type, SB_KERNMOUNT, "nfsd", NULL);
if (IS_ERR(mnt)) {