nfsd: hook nfsd_commit up to the nfsd_file cache (5920afa3) · Commits · 戴 / test

Use cached filps if possible instead of opening a new one every time. Signed-off-by:

fs/nfsd/vfs.c

+7 −7

Original line number	Diff line number	Diff line
		@@ -1133,7 +1133,7 @@ __be32
		nfsd_commit(struct svc_rqst rqstp, struct svc_fh fhp,
		loff_t offset, unsigned long count)
		{
		struct file *file;
		struct nfsd_file *nf;
		loff_t end = LLONG_MAX;
		__be32 err = nfserr_inval;

		@@ -1145,12 +1145,12 @@ nfsd_commit(struct svc_rqst rqstp, struct svc_fh fhp,
		goto out;
		}

		err = nfsd_open(rqstp, fhp, S_IFREG,
		NFSD_MAY_WRITE\|NFSD_MAY_NOT_BREAK_LEASE, &file);
		err = nfsd_file_acquire(rqstp, fhp,
		NFSD_MAY_WRITE\|NFSD_MAY_NOT_BREAK_LEASE, &nf);
		if (err)
		goto out;
		if (EX_ISSYNC(fhp->fh_export)) {
		int err2 = vfs_fsync_range(file, offset, end, 0);
		int err2 = vfs_fsync_range(nf->nf_file, offset, end, 0);

		if (err2 != -EINVAL)
		err = nfserrno(err2);
		@@ -1158,7 +1158,7 @@ nfsd_commit(struct svc_rqst rqstp, struct svc_fh fhp,
		err = nfserr_notsupp;
		}

		fput(file);
		nfsd_file_put(nf);
		out:
		return err;
		}