Explicitly pass vnode to nfs_doio() and mountpoint to nfs_asyncio().

4 files changed, 15 insertions, 22 deletions

diff --git a/sys/nfsclient/nfs.h b/sys/nfsclient/nfs.h
index 697068b..d93364e 100644
--- a/sys/nfsclient/nfs.h
+++ b/sys/nfsclient/nfs.h
@@ -292,8 +292,8 @@ int	nfs_commit(struct vnode *vp, u_quad_t offset, int cnt,
 	    struct ucred *cred, struct thread *td);
 int	nfs_readdirrpc(struct vnode *, struct uio *, struct ucred *);
 int	nfs_nfsiodnew(void);
-int	nfs_asyncio(struct buf *, struct ucred *, struct thread *);
-int	nfs_doio(struct buf *, struct ucred *, struct thread *);
+int	nfs_asyncio(struct nfsmount *, struct buf *, struct ucred *, struct thread *);
+int	nfs_doio(struct vnode *vp, struct buf *, struct ucred *, struct thread *);
 void    nfs_up(struct nfsreq *, struct nfsmount *, struct thread *,
 	    const char *, int);
 void	nfs_down(struct nfsreq *, struct nfsmount *, struct thread *,
diff --git a/sys/nfsclient/nfs_bio.c b/sys/nfsclient/nfs_bio.c
index 7f17f8c..0a7fbb5 100644
--- a/sys/nfsclient/nfs_bio.c
+++ b/sys/nfsclient/nfs_bio.c
@@ -465,7 +465,7 @@ nfs_bioread(struct vnode *vp, struct uio *uio, int ioflag, struct ucred *cred)
 				rabp->b_flags |= B_ASYNC;
 				rabp->b_iocmd = BIO_READ;
 				vfs_busy_pages(rabp, 0);
-				if (nfs_asyncio(rabp, cred, td)) {
+				if (nfs_asyncio(nmp, rabp, cred, td)) {
 				    rabp->b_flags |= B_INVAL;
 				    rabp->b_ioflags |= BIO_ERROR;
 				    vfs_unbusy_pages(rabp);
@@ -531,7 +531,7 @@ again:
 		if ((bp->b_flags & B_CACHE) == 0) {
 		    bp->b_iocmd = BIO_READ;
 		    vfs_busy_pages(bp, 0);
-		    error = nfs_doio(bp, cred, td);
+		    error = nfs_doio(vp, bp, cred, td);
 		    if (error) {
 			brelse(bp);
 			return (error);
@@ -560,7 +560,7 @@ again:
 		if ((bp->b_flags & B_CACHE) == 0) {
 		    bp->b_iocmd = BIO_READ;
 		    vfs_busy_pages(bp, 0);
-		    error = nfs_doio(bp, cred, td);
+		    error = nfs_doio(vp, bp, cred, td);
 		    if (error) {
 			bp->b_ioflags |= BIO_ERROR;
 			brelse(bp);
@@ -586,7 +586,7 @@ again:
 		if ((bp->b_flags & B_CACHE) == 0) {
 		    bp->b_iocmd = BIO_READ;
 		    vfs_busy_pages(bp, 0);
-		    error = nfs_doio(bp, cred, td);
+		    error = nfs_doio(vp, bp, cred, td);
 		    if (error) {
 			    brelse(bp);
 		    }
@@ -615,7 +615,7 @@ again:
 			    if ((bp->b_flags & B_CACHE) == 0) {
 				    bp->b_iocmd = BIO_READ;
 				    vfs_busy_pages(bp, 0);
-				    error = nfs_doio(bp, cred, td);
+				    error = nfs_doio(vp, bp, cred, td);
 				    /*
 				     * no error + B_INVAL == directory EOF,
 				     * use the block.
@@ -658,7 +658,7 @@ again:
 				rabp->b_flags |= B_ASYNC;
 				rabp->b_iocmd = BIO_READ;
 				vfs_busy_pages(rabp, 0);
-				if (nfs_asyncio(rabp, cred, td)) {
+				if (nfs_asyncio(nmp, rabp, cred, td)) {
 				    rabp->b_flags |= B_INVAL;
 				    rabp->b_ioflags |= BIO_ERROR;
 				    vfs_unbusy_pages(rabp);
@@ -926,7 +926,7 @@ again:
 		if ((bp->b_flags & B_CACHE) == 0) {
 			bp->b_iocmd = BIO_READ;
 			vfs_busy_pages(bp, 0);
-			error = nfs_doio(bp, cred, td);
+			error = nfs_doio(vp, bp, cred, td);
 			if (error) {
 				brelse(bp);
 				break;
@@ -1165,17 +1165,14 @@ nfs_vinvalbuf(struct vnode *vp, int flags, struct ucred *cred,
  * is eventually dequeued by the async daemon, nfs_doio() *will*.
  */
 int
-nfs_asyncio(struct buf *bp, struct ucred *cred, struct thread *td)
+nfs_asyncio(struct nfsmount *nmp, struct buf *bp, struct ucred *cred, struct thread *td)
 {
-	struct nfsmount *nmp;
 	int iod;
 	int gotiod;
 	int slpflag = 0;
 	int slptimeo = 0;
 	int error, error2;
 
-	nmp = VFSTONFS(bp->b_vp->v_mount);
-
 	/*
 	 * Commits are usually short and sweet so lets save some cpu and
 	 * leave the async daemons for more important rpc's (such as reads
@@ -1298,10 +1295,9 @@ again:
  * synchronously or from an nfsiod.
  */
 int
-nfs_doio(struct buf *bp, struct ucred *cr, struct thread *td)
+nfs_doio(struct vnode *vp, struct buf *bp, struct ucred *cr, struct thread *td)
 {
 	struct uio *uiop;
-	struct vnode *vp;
 	struct nfsnode *np;
 	struct nfsmount *nmp;
 	int error = 0, iomode, must_commit = 0;
@@ -1309,7 +1305,6 @@ nfs_doio(struct buf *bp, struct ucred *cr, struct thread *td)
 	struct iovec io;
 	struct proc *p = td ? td->td_proc : NULL;
 
-	vp = bp->b_vp;
 	np = VTONFS(vp);
 	nmp = VFSTONFS(vp->v_mount);
 	uiop = &uio;
diff --git a/sys/nfsclient/nfs_nfsiod.c b/sys/nfsclient/nfs_nfsiod.c
index bf6175a..d8d5913 100644
--- a/sys/nfsclient/nfs_nfsiod.c
+++ b/sys/nfsclient/nfs_nfsiod.c
@@ -257,9 +257,9 @@ nfssvc_iod(void *instance)
 		    wakeup(&nmp->nm_bufq);
 		}
 		if (bp->b_iocmd == BIO_READ)
-		    (void) nfs_doio(bp, bp->b_rcred, NULL);
+		    (void) nfs_doio(bp->b_vp, bp, bp->b_rcred, NULL);
 		else
-		    (void) nfs_doio(bp, bp->b_wcred, NULL);
+		    (void) nfs_doio(bp->b_vp, bp, bp->b_wcred, NULL);
 		/*
 		 * If there are more than one iod on this mount, then defect
 		 * so that the iods can be shared out fairly between the mounts
diff --git a/sys/nfsclient/nfs_vnops.c b/sys/nfsclient/nfs_vnops.c
index 663e3b0..9390cd6 100644
--- a/sys/nfsclient/nfs_vnops.c
+++ b/sys/nfsclient/nfs_vnops.c
@@ -2562,8 +2562,6 @@ nfs_strategy(struct vop_strategy_args *ap)
 	struct thread *td;
 	int error = 0;
 
-	KASSERT(ap->a_vp == ap->a_bp->b_vp, ("%s(%p != %p)",
-	    __func__, ap->a_vp, ap->a_bp->b_vp));
 	KASSERT(!(bp->b_flags & B_DONE), ("nfs_strategy: buffer %p unexpectedly marked B_DONE", bp));
 	KASSERT(BUF_REFCNT(bp) > 0, ("nfs_strategy: buffer %p not locked", bp));
 
@@ -2583,8 +2581,8 @@ nfs_strategy(struct vop_strategy_args *ap)
 	 * otherwise just do it ourselves.
 	 */
 	if ((bp->b_flags & B_ASYNC) == 0 ||
-		nfs_asyncio(bp, NOCRED, td))
-		error = nfs_doio(bp, cr, td);
+		nfs_asyncio(VFSTONFS(ap->a_vp->v_mount), bp, NOCRED, td))
+		error = nfs_doio(ap->a_vp, bp, cr, td);
 	return (error);
 }