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OpenCloudOS-Kernel
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NFSD: De-duplicate net_generic(nf->nf_net, nfsd_net_id) 

Since this pointer is used repeatedly, move it to a stack variable.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2021-12-28 14:26:03 -05:00
parent fb7622c2db
commit 2c445a0e72
1 changed files with 5 additions and 6 deletions
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11
fs/nfsd/vfs.c
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@ -1103,6 +1103,7 @@ __be32
nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
loff_t offset, unsigned long count, __be32 *verf)
{
struct nfsd_net *nn;
struct nfsd_file *nf;
loff_t end = LLONG_MAX;
__be32 err = nfserr_inval;
@ -1119,6 +1120,7 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
NFSD_MAY_WRITE|NFSD_MAY_NOT_BREAK_LEASE, &nf);
if (err)
goto out;
nn = net_generic(nf->nf_net, nfsd_net_id);
if (EX_ISSYNC(fhp->fh_export)) {
errseq_t since = READ_ONCE(nf->nf_file->f_wb_err);
int err2;
@ -1126,8 +1128,7 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
err2 = vfs_fsync_range(nf->nf_file, offset, end, 0);
switch (err2) {
case 0:
nfsd_copy_boot_verifier(verf, net_generic(nf->nf_net,
nfsd_net_id));
nfsd_copy_boot_verifier(verf, nn);
err2 = filemap_check_wb_err(nf->nf_file->f_mapping,
since);
break;
@ -1135,13 +1136,11 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
err = nfserr_notsupp;
break;
default:
nfsd_reset_boot_verifier(net_generic(nf->nf_net,
nfsd_net_id));
nfsd_reset_boot_verifier(nn);
}
err = nfserrno(err2);
} else
nfsd_copy_boot_verifier(verf, net_generic(nf->nf_net,
nfsd_net_id));
nfsd_copy_boot_verifier(verf, nn);
nfsd_file_put(nf);
out: