[PATCH v5 14/20] nfsd: hook up nfsd_read to the nfsd_file cache

[Jeff Layton <jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>]

Signed-off-by: Jeff Layton <jeff.layton-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>
---
 fs/nfsd/vfs.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index cb1ab146246b..050db266ef80 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1008,20 +1008,15 @@ out_nfserr:
 __be32 nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	loff_t offset, struct kvec *vec, int vlen, unsigned long *count)
 {
-	struct file *file;
-	struct raparms	*ra;
-	__be32 err;
-
-	err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_READ, &file);
-	if (err)
-		return err;
-
-	ra = nfsd_init_raparms(file);
-	err = nfsd_vfs_read(rqstp, file, offset, vec, vlen, count);
-	if (ra)
-		nfsd_put_raparams(file, ra);
-	fput(file);
+	__be32			err;
+	struct nfsd_file	*nf;
 
+	err = nfsd_file_acquire(rqstp, fhp, NFSD_MAY_READ, &nf);
+	if (err == nfs_ok) {
+		err = nfsd_vfs_read(rqstp, nf->nf_file, offset, vec, vlen,
+					count);
+		nfsd_file_put(nf);
+	}
 	return err;
 }
 
-- 
2.4.3

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