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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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4
fs/nfsd/netns.h
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@@ -104,6 +104,7 @@ struct nfsd_net {
/* Time of server startup */
struct timespec64 nfssvc_boot;
seqlock_t boot_lock;
/*
* Max number of connections this nfsd container will allow. Defaults
@@ -179,4 +180,7 @@ struct nfsd_net {
extern void nfsd_netns_free_versions(struct nfsd_net *nn);
extern unsigned int nfsd_net_id;
void nfsd_copy_boot_verifier(__be32 verf[2], struct nfsd_net *nn);
void nfsd_reset_boot_verifier(struct nfsd_net *nn);
#endif /* __NFSD_NETNS_H__ */