This is a note to let you know that I've just added the patch titled
NFSD: Rename boot verifier functions
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsd-rename-boot-verifier-functions.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 04379a5ba58ddf1069665b1c7b6b00f421aa7da9
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Thu Dec 30 10:22:05 2021 -0500
NFSD: Rename boot verifier functions
[ Upstream commit 3988a57885eeac05ef89f0ab4d7e47b52fbcf630 ]
Clean up: These functions handle what the specs call a write
verifier, which in the Linux NFS server implementation is now
divorced from the server's boot instance
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index b99852b30308a..94157b82b60e1 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -237,7 +237,7 @@ nfsd_file_do_unhash(struct nfsd_file *nf)
trace_nfsd_file_unhash(nf);
if (nfsd_file_check_write_error(nf))
- nfsd_reset_boot_verifier(net_generic(nf->nf_net, nfsd_net_id));
+ nfsd_reset_write_verifier(net_generic(nf->nf_net, nfsd_net_id));
--nfsd_file_hashtbl[nf->nf_hashval].nfb_count;
hlist_del_rcu(&nf->nf_node);
atomic_long_dec(&nfsd_filecache_count);
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index a6ed300259849..1b1a962a18041 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -198,6 +198,6 @@ 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);
+void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn);
+void nfsd_reset_write_verifier(struct nfsd_net *nn);
#endif /* __NFSD_NETNS_H__ */
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 861af46ebc6cf..a8ad7e6ace927 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -598,7 +598,7 @@ static void gen_boot_verifier(nfs4_verifier *verifier, struct net *net)
BUILD_BUG_ON(2*sizeof(*verf) != sizeof(verifier->data));
- nfsd_copy_boot_verifier(verf, net_generic(net, nfsd_net_id));
+ nfsd_copy_write_verifier(verf, net_generic(net, nfsd_net_id));
}
static __be32
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 5a60664695352..2efe9d33a2827 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -346,14 +346,14 @@ static bool nfsd_needs_lockd(struct nfsd_net *nn)
}
/**
- * nfsd_copy_boot_verifier - Atomically copy a write verifier
+ * nfsd_copy_write_verifier - Atomically copy a write verifier
* @verf: buffer in which to receive the verifier cookie
* @nn: NFS net namespace
*
* This function provides a wait-free mechanism for copying the
- * namespace's boot verifier without tearing it.
+ * namespace's write verifier without tearing it.
*/
-void nfsd_copy_boot_verifier(__be32 verf[2], struct nfsd_net *nn)
+void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn)
{
int seq = 0;
@@ -364,7 +364,7 @@ void nfsd_copy_boot_verifier(__be32 verf[2], struct nfsd_net *nn)
done_seqretry(&nn->writeverf_lock, seq);
}
-static void nfsd_reset_boot_verifier_locked(struct nfsd_net *nn)
+static void nfsd_reset_write_verifier_locked(struct nfsd_net *nn)
{
struct timespec64 now;
u64 verf;
@@ -379,7 +379,7 @@ static void nfsd_reset_boot_verifier_locked(struct nfsd_net *nn)
}
/**
- * nfsd_reset_boot_verifier - Generate a new boot verifier
+ * nfsd_reset_write_verifier - Generate a new write verifier
* @nn: NFS net namespace
*
* This function updates the ->writeverf field of @nn. This field
@@ -391,10 +391,10 @@ static void nfsd_reset_boot_verifier_locked(struct nfsd_net *nn)
* server and MUST be unique between instances of the NFSv4.1
* server."
*/
-void nfsd_reset_boot_verifier(struct nfsd_net *nn)
+void nfsd_reset_write_verifier(struct nfsd_net *nn)
{
write_seqlock(&nn->writeverf_lock);
- nfsd_reset_boot_verifier_locked(nn);
+ nfsd_reset_write_verifier_locked(nn);
write_sequnlock(&nn->writeverf_lock);
}
@@ -683,7 +683,7 @@ int nfsd_create_serv(struct net *net)
register_inet6addr_notifier(&nfsd_inet6addr_notifier);
#endif
}
- nfsd_reset_boot_verifier(nn);
+ nfsd_reset_write_verifier(nn);
return 0;
}
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 721cf315551ad..d7035e3d1a229 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -565,8 +565,8 @@ __be32 nfsd4_clone_file_range(struct svc_rqst *rqstp,
&nfsd4_get_cstate(rqstp)->current_fh,
dst_pos,
count, status);
- nfsd_reset_boot_verifier(net_generic(nf_dst->nf_net,
- nfsd_net_id));
+ nfsd_reset_write_verifier(net_generic(nf_dst->nf_net,
+ nfsd_net_id));
ret = nfserrno(status);
}
}
@@ -1025,10 +1025,10 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
iov_iter_kvec(&iter, WRITE, vec, vlen, *cnt);
since = READ_ONCE(file->f_wb_err);
if (verf)
- nfsd_copy_boot_verifier(verf, nn);
+ nfsd_copy_write_verifier(verf, nn);
host_err = vfs_iter_write(file, &iter, &pos, flags);
if (host_err < 0) {
- nfsd_reset_boot_verifier(nn);
+ nfsd_reset_write_verifier(nn);
goto out_nfserr;
}
*cnt = host_err;
@@ -1041,7 +1041,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
if (stable && use_wgather) {
host_err = wait_for_concurrent_writes(file);
if (host_err < 0)
- nfsd_reset_boot_verifier(nn);
+ nfsd_reset_write_verifier(nn);
}
out_nfserr:
@@ -1173,7 +1173,7 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp, u64 offset,
err2 = vfs_fsync_range(nf->nf_file, start, end, 0);
switch (err2) {
case 0:
- nfsd_copy_boot_verifier(verf, nn);
+ nfsd_copy_write_verifier(verf, nn);
err2 = filemap_check_wb_err(nf->nf_file->f_mapping,
since);
err = nfserrno(err2);
@@ -1182,11 +1182,11 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp, u64 offset,
err = nfserr_notsupp;
break;
default:
- nfsd_reset_boot_verifier(nn);
+ nfsd_reset_write_verifier(nn);
err = nfserrno(err2);
}
} else
- nfsd_copy_boot_verifier(verf, nn);
+ nfsd_copy_write_verifier(verf, nn);
nfsd_file_put(nf);
out:
