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Diffstat (limited to 'sys/nfsclient/nfs_bio.c')
-rw-r--r--sys/nfsclient/nfs_bio.c140
1 files changed, 71 insertions, 69 deletions
diff --git a/sys/nfsclient/nfs_bio.c b/sys/nfsclient/nfs_bio.c
index 3bcdb32..e48cd5c 100644
--- a/sys/nfsclient/nfs_bio.c
+++ b/sys/nfsclient/nfs_bio.c
@@ -72,7 +72,7 @@
static int
nfs_bwrite(struct buf *bp)
{
- return (nfs_writebp(bp, 1, curproc));
+ return (nfs_writebp(bp, 1, curthread));
}
struct buf_ops buf_ops_nfs = {
@@ -82,7 +82,7 @@ struct buf_ops buf_ops_nfs = {
static struct buf *nfs_getcacheblk __P((struct vnode *vp, daddr_t bn, int size,
- struct proc *p));
+ struct thread *td));
extern int nfs_numasync;
extern int nfs_pbuf_freecnt;
@@ -107,7 +107,7 @@ nfs_getpages(ap)
vm_offset_t kva;
struct buf *bp;
struct vnode *vp;
- struct proc *p;
+ struct thread *td;
struct ucred *cred;
struct nfsmount *nmp;
vm_page_t *pages;
@@ -115,8 +115,8 @@ nfs_getpages(ap)
GIANT_REQUIRED;
vp = ap->a_vp;
- p = curproc; /* XXX */
- cred = curproc->p_ucred; /* XXX */
+ td = curthread; /* XXX */
+ cred = curthread->td_proc->p_ucred; /* XXX */
nmp = VFSTONFS(vp->v_mount);
pages = ap->a_m;
count = ap->a_count;
@@ -128,7 +128,7 @@ nfs_getpages(ap)
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
- (void)nfs_fsinfo(nmp, vp, cred, p);
+ (void)nfs_fsinfo(nmp, vp, cred, td);
}
npages = btoc(count);
@@ -172,7 +172,7 @@ nfs_getpages(ap)
uio.uio_resid = count;
uio.uio_segflg = UIO_SYSSPACE;
uio.uio_rw = UIO_READ;
- uio.uio_procp = p;
+ uio.uio_td = td;
error = nfs_readrpc(vp, &uio, cred);
pmap_qremove(kva, npages);
@@ -268,7 +268,7 @@ nfs_putpages(ap)
off_t offset;
int *rtvals;
struct vnode *vp;
- struct proc *p;
+ struct thread *td;
struct ucred *cred;
struct nfsmount *nmp;
struct nfsnode *np;
@@ -278,8 +278,8 @@ nfs_putpages(ap)
vp = ap->a_vp;
np = VTONFS(vp);
- p = curproc; /* XXX */
- cred = curproc->p_ucred; /* XXX */
+ td = curthread; /* XXX */
+ cred = curthread->td_proc->p_ucred; /* XXX */
nmp = VFSTONFS(vp->v_mount);
pages = ap->a_m;
count = ap->a_count;
@@ -291,7 +291,7 @@ nfs_putpages(ap)
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
- (void)nfs_fsinfo(nmp, vp, cred, p);
+ (void)nfs_fsinfo(nmp, vp, cred, td);
}
for (i = 0; i < npages; i++) {
@@ -327,7 +327,7 @@ nfs_putpages(ap)
uio.uio_resid = count;
uio.uio_segflg = UIO_SYSSPACE;
uio.uio_rw = UIO_WRITE;
- uio.uio_procp = p;
+ uio.uio_td = td;
if ((ap->a_sync & VM_PAGER_PUT_SYNC) == 0)
iomode = NFSV3WRITE_UNSTABLE;
@@ -366,7 +366,7 @@ nfs_bioread(vp, uio, ioflag, cred)
register int biosize, i;
struct buf *bp = 0, *rabp;
struct vattr vattr;
- struct proc *p;
+ struct thread *td;
struct nfsmount *nmp = VFSTONFS(vp->v_mount);
daddr_t lbn, rabn;
int bcount;
@@ -381,11 +381,11 @@ nfs_bioread(vp, uio, ioflag, cred)
return (0);
if (uio->uio_offset < 0) /* XXX VDIR cookies can be negative */
return (EINVAL);
- p = uio->uio_procp;
+ td = uio->uio_td;
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0)
- (void)nfs_fsinfo(nmp, vp, cred, p);
+ (void)nfs_fsinfo(nmp, vp, cred, td);
if (vp->v_type != VDIR &&
(uio->uio_offset + uio->uio_resid) > nmp->nm_maxfilesize)
return (EFBIG);
@@ -414,23 +414,23 @@ nfs_bioread(vp, uio, ioflag, cred)
if (vp->v_type != VDIR)
panic("nfs: bioread, not dir");
nfs_invaldir(vp);
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
return (error);
}
np->n_attrstamp = 0;
- error = VOP_GETATTR(vp, &vattr, cred, p);
+ error = VOP_GETATTR(vp, &vattr, cred, td);
if (error)
return (error);
np->n_mtime = vattr.va_mtime.tv_sec;
} else {
- error = VOP_GETATTR(vp, &vattr, cred, p);
+ error = VOP_GETATTR(vp, &vattr, cred, td);
if (error)
return (error);
if (np->n_mtime != vattr.va_mtime.tv_sec) {
if (vp->v_type == VDIR)
nfs_invaldir(vp);
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
return (error);
np->n_mtime = vattr.va_mtime.tv_sec;
@@ -445,7 +445,7 @@ nfs_bioread(vp, uio, ioflag, cred)
if (nmp->nm_flag & NFSMNT_NQNFS) {
if (NQNFS_CKINVALID(vp, np, ND_READ)) {
do {
- error = nqnfs_getlease(vp, ND_READ, cred, p);
+ error = nqnfs_getlease(vp, ND_READ, cred, td);
} while (error == NQNFS_EXPIRED);
if (error)
return (error);
@@ -454,14 +454,14 @@ nfs_bioread(vp, uio, ioflag, cred)
((np->n_flag & NMODIFIED) && vp->v_type == VDIR)) {
if (vp->v_type == VDIR)
nfs_invaldir(vp);
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
return (error);
np->n_brev = np->n_lrev;
}
} else if (vp->v_type == VDIR && (np->n_flag & NMODIFIED)) {
nfs_invaldir(vp);
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
return (error);
}
@@ -493,14 +493,14 @@ nfs_bioread(vp, uio, ioflag, cred)
(off_t)(lbn + 1 + nra) * biosize < np->n_size; nra++) {
rabn = lbn + 1 + nra;
if (!incore(vp, rabn)) {
- rabp = nfs_getcacheblk(vp, rabn, biosize, p);
+ rabp = nfs_getcacheblk(vp, rabn, biosize, td);
if (!rabp)
return (EINTR);
if ((rabp->b_flags & (B_CACHE|B_DELWRI)) == 0) {
rabp->b_flags |= B_ASYNC;
rabp->b_iocmd = BIO_READ;
vfs_busy_pages(rabp, 0);
- if (nfs_asyncio(rabp, cred, p)) {
+ if (nfs_asyncio(rabp, cred, td)) {
rabp->b_flags |= B_INVAL;
rabp->b_ioflags |= BIO_ERROR;
vfs_unbusy_pages(rabp);
@@ -534,7 +534,7 @@ again:
bcount = np->n_size - (off_t)lbn * biosize;
}
if (bcount != biosize) {
- switch(nfs_rslock(np, p)) {
+ switch(nfs_rslock(np, td)) {
case ENOLCK:
goto again;
/* not reached */
@@ -547,10 +547,10 @@ again:
}
}
- bp = nfs_getcacheblk(vp, lbn, bcount, p);
+ bp = nfs_getcacheblk(vp, lbn, bcount, td);
if (bcount != biosize)
- nfs_rsunlock(np, p);
+ nfs_rsunlock(np, td);
if (!bp)
return (EINTR);
@@ -562,7 +562,7 @@ again:
if ((bp->b_flags & B_CACHE) == 0) {
bp->b_iocmd = BIO_READ;
vfs_busy_pages(bp, 0);
- error = nfs_doio(bp, cred, p);
+ error = nfs_doio(bp, cred, td);
if (error) {
brelse(bp);
return (error);
@@ -583,13 +583,13 @@ again:
break;
case VLNK:
nfsstats.biocache_readlinks++;
- bp = nfs_getcacheblk(vp, (daddr_t)0, NFS_MAXPATHLEN, p);
+ bp = nfs_getcacheblk(vp, (daddr_t)0, NFS_MAXPATHLEN, td);
if (!bp)
return (EINTR);
if ((bp->b_flags & B_CACHE) == 0) {
bp->b_iocmd = BIO_READ;
vfs_busy_pages(bp, 0);
- error = nfs_doio(bp, cred, p);
+ error = nfs_doio(bp, cred, td);
if (error) {
bp->b_ioflags |= BIO_ERROR;
brelse(bp);
@@ -607,20 +607,20 @@ again:
}
lbn = (uoff_t)uio->uio_offset / NFS_DIRBLKSIZ;
on = uio->uio_offset & (NFS_DIRBLKSIZ - 1);
- bp = nfs_getcacheblk(vp, lbn, NFS_DIRBLKSIZ, p);
+ bp = nfs_getcacheblk(vp, lbn, NFS_DIRBLKSIZ, td);
if (!bp)
return (EINTR);
if ((bp->b_flags & B_CACHE) == 0) {
bp->b_iocmd = BIO_READ;
vfs_busy_pages(bp, 0);
- error = nfs_doio(bp, cred, p);
+ error = nfs_doio(bp, cred, td);
if (error) {
brelse(bp);
}
while (error == NFSERR_BAD_COOKIE) {
printf("got bad cookie vp %p bp %p\n", vp, bp);
nfs_invaldir(vp);
- error = nfs_vinvalbuf(vp, 0, cred, p, 1);
+ error = nfs_vinvalbuf(vp, 0, cred, td, 1);
/*
* Yuck! The directory has been modified on the
* server. The only way to get the block is by
@@ -635,13 +635,13 @@ again:
if (np->n_direofoffset
&& (i * NFS_DIRBLKSIZ) >= np->n_direofoffset)
return (0);
- bp = nfs_getcacheblk(vp, i, NFS_DIRBLKSIZ, p);
+ bp = nfs_getcacheblk(vp, i, NFS_DIRBLKSIZ, td);
if (!bp)
return (EINTR);
if ((bp->b_flags & B_CACHE) == 0) {
bp->b_iocmd = BIO_READ;
vfs_busy_pages(bp, 0);
- error = nfs_doio(bp, cred, p);
+ error = nfs_doio(bp, cred, td);
/*
* no error + B_INVAL == directory EOF,
* use the block.
@@ -679,13 +679,13 @@ again:
(lbn + 1) * NFS_DIRBLKSIZ < np->n_direofoffset) &&
!(np->n_flag & NQNFSNONCACHE) &&
!incore(vp, lbn + 1)) {
- rabp = nfs_getcacheblk(vp, lbn + 1, NFS_DIRBLKSIZ, p);
+ rabp = nfs_getcacheblk(vp, lbn + 1, NFS_DIRBLKSIZ, td);
if (rabp) {
if ((rabp->b_flags & (B_CACHE|B_DELWRI)) == 0) {
rabp->b_flags |= B_ASYNC;
rabp->b_iocmd = BIO_READ;
vfs_busy_pages(rabp, 0);
- if (nfs_asyncio(rabp, cred, p)) {
+ if (nfs_asyncio(rabp, cred, td)) {
rabp->b_flags |= B_INVAL;
rabp->b_ioflags |= BIO_ERROR;
vfs_unbusy_pages(rabp);
@@ -756,7 +756,7 @@ nfs_write(ap)
{
int biosize;
struct uio *uio = ap->a_uio;
- struct proc *p = uio->uio_procp;
+ struct thread *td = uio->uio_td;
struct vnode *vp = ap->a_vp;
struct nfsnode *np = VTONFS(vp);
struct ucred *cred = ap->a_cred;
@@ -768,13 +768,14 @@ nfs_write(ap)
int bcount;
int n, on, error = 0, iomode, must_commit;
int haverslock = 0;
+ struct proc *p = td?td->td_proc:NULL;
GIANT_REQUIRED;
#ifdef DIAGNOSTIC
if (uio->uio_rw != UIO_WRITE)
panic("nfs_write mode");
- if (uio->uio_segflg == UIO_USERSPACE && uio->uio_procp != curproc)
+ if (uio->uio_segflg == UIO_USERSPACE && uio->uio_td != curthread)
panic("nfs_write proc");
#endif
if (vp->v_type != VREG)
@@ -785,7 +786,7 @@ nfs_write(ap)
}
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0)
- (void)nfs_fsinfo(nmp, vp, cred, p);
+ (void)nfs_fsinfo(nmp, vp, cred, td);
/*
* Synchronously flush pending buffers if we are in synchronous
@@ -794,7 +795,7 @@ nfs_write(ap)
if (ioflag & (IO_APPEND | IO_SYNC)) {
if (np->n_flag & NMODIFIED) {
np->n_attrstamp = 0;
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
return (error);
}
@@ -807,7 +808,7 @@ nfs_write(ap)
restart:
if (ioflag & IO_APPEND) {
np->n_attrstamp = 0;
- error = VOP_GETATTR(vp, &vattr, cred, p);
+ error = VOP_GETATTR(vp, &vattr, cred, td);
if (error)
return (error);
uio->uio_offset = np->n_size;
@@ -836,7 +837,7 @@ restart:
*/
if ((ioflag & IO_APPEND) ||
uio->uio_offset + uio->uio_resid > np->n_size) {
- switch(nfs_rslock(np, p)) {
+ switch(nfs_rslock(np, td)) {
case ENOLCK:
goto restart;
/* not reached */
@@ -860,7 +861,7 @@ restart:
psignal(p, SIGXFSZ);
PROC_UNLOCK(p);
if (haverslock)
- nfs_rsunlock(np, p);
+ nfs_rsunlock(np, td);
return (EFBIG);
}
@@ -873,13 +874,13 @@ restart:
if ((nmp->nm_flag & NFSMNT_NQNFS) &&
NQNFS_CKINVALID(vp, np, ND_WRITE)) {
do {
- error = nqnfs_getlease(vp, ND_WRITE, cred, p);
+ error = nqnfs_getlease(vp, ND_WRITE, cred, td);
} while (error == NQNFS_EXPIRED);
if (error)
break;
if (np->n_lrev != np->n_brev ||
(np->n_flag & NQNFSNONCACHE)) {
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
break;
np->n_brev = np->n_lrev;
@@ -910,7 +911,7 @@ again:
* readers from reading garbage.
*/
bcount = on;
- bp = nfs_getcacheblk(vp, lbn, bcount, p);
+ bp = nfs_getcacheblk(vp, lbn, bcount, td);
if (bp != NULL) {
long save;
@@ -939,7 +940,7 @@ again:
bcount = np->n_size - (off_t)lbn * biosize;
}
- bp = nfs_getcacheblk(vp, lbn, bcount, p);
+ bp = nfs_getcacheblk(vp, lbn, bcount, td);
if (uio->uio_offset + n > np->n_size) {
np->n_size = uio->uio_offset + n;
@@ -981,7 +982,7 @@ again:
if ((bp->b_flags & B_CACHE) == 0) {
bp->b_iocmd = BIO_READ;
vfs_busy_pages(bp, 0);
- error = nfs_doio(bp, cred, p);
+ error = nfs_doio(bp, cred, td);
if (error) {
brelse(bp);
break;
@@ -1047,7 +1048,7 @@ again:
if ((nmp->nm_flag & NFSMNT_NQNFS) &&
NQNFS_CKINVALID(vp, np, ND_WRITE)) {
do {
- error = nqnfs_getlease(vp, ND_WRITE, cred, p);
+ error = nqnfs_getlease(vp, ND_WRITE, cred, td);
} while (error == NQNFS_EXPIRED);
if (error) {
brelse(bp);
@@ -1056,7 +1057,7 @@ again:
if (np->n_lrev != np->n_brev ||
(np->n_flag & NQNFSNONCACHE)) {
brelse(bp);
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
break;
np->n_brev = np->n_lrev;
@@ -1108,7 +1109,7 @@ again:
if (error)
break;
if (np->n_flag & NQNFSNONCACHE) {
- error = nfs_vinvalbuf(vp, V_SAVE, cred, p, 1);
+ error = nfs_vinvalbuf(vp, V_SAVE, cred, td, 1);
if (error)
break;
}
@@ -1122,7 +1123,7 @@ again:
} while (uio->uio_resid > 0 && n > 0);
if (haverslock)
- nfs_rsunlock(np, p);
+ nfs_rsunlock(np, td);
return (error);
}
@@ -1143,11 +1144,11 @@ again:
* its EOF.
*/
static struct buf *
-nfs_getcacheblk(vp, bn, size, p)
+nfs_getcacheblk(vp, bn, size, td)
struct vnode *vp;
daddr_t bn;
int size;
- struct proc *p;
+ struct thread *td;
{
register struct buf *bp;
struct mount *mp;
@@ -1159,7 +1160,7 @@ nfs_getcacheblk(vp, bn, size, p)
if (nmp->nm_flag & NFSMNT_INT) {
bp = getblk(vp, bn, size, PCATCH, 0);
while (bp == (struct buf *)0) {
- if (nfs_sigintr(nmp, (struct nfsreq *)0, p))
+ if (nfs_sigintr(nmp, (struct nfsreq *)0, td->td_proc))
return ((struct buf *)0);
bp = getblk(vp, bn, size, 0, 2 * hz);
}
@@ -1181,11 +1182,11 @@ nfs_getcacheblk(vp, bn, size, p)
* doing the flush, just wait for completion.
*/
int
-nfs_vinvalbuf(vp, flags, cred, p, intrflg)
+nfs_vinvalbuf(vp, flags, cred, td, intrflg)
struct vnode *vp;
int flags;
struct ucred *cred;
- struct proc *p;
+ struct thread *td;
int intrflg;
{
register struct nfsnode *np = VTONFS(vp);
@@ -1212,7 +1213,7 @@ nfs_vinvalbuf(vp, flags, cred, p, intrflg)
np->n_flag |= NFLUSHWANT;
error = tsleep((caddr_t)&np->n_flag, PRIBIO + 2, "nfsvinval",
slptimeo);
- if (error && intrflg && nfs_sigintr(nmp, (struct nfsreq *)0, p))
+ if (error && intrflg && nfs_sigintr(nmp, (struct nfsreq *)0, td->td_proc))
return (EINTR);
}
@@ -1220,9 +1221,9 @@ nfs_vinvalbuf(vp, flags, cred, p, intrflg)
* Now, flush as required.
*/
np->n_flag |= NFLUSHINPROG;
- error = vinvalbuf(vp, flags, cred, p, slpflag, 0);
+ error = vinvalbuf(vp, flags, cred, td, slpflag, 0);
while (error) {
- if (intrflg && nfs_sigintr(nmp, (struct nfsreq *)0, p)) {
+ if (intrflg && nfs_sigintr(nmp, (struct nfsreq *)0, td->td_proc)) {
np->n_flag &= ~NFLUSHINPROG;
if (np->n_flag & NFLUSHWANT) {
np->n_flag &= ~NFLUSHWANT;
@@ -1230,7 +1231,7 @@ nfs_vinvalbuf(vp, flags, cred, p, intrflg)
}
return (EINTR);
}
- error = vinvalbuf(vp, flags, cred, p, 0, slptimeo);
+ error = vinvalbuf(vp, flags, cred, td, 0, slptimeo);
}
np->n_flag &= ~(NMODIFIED | NFLUSHINPROG);
if (np->n_flag & NFLUSHWANT) {
@@ -1249,10 +1250,10 @@ nfs_vinvalbuf(vp, flags, cred, p, intrflg)
* is eventually dequeued by the async daemon, nfs_doio() *will*.
*/
int
-nfs_asyncio(bp, cred, procp)
+nfs_asyncio(bp, cred, td)
register struct buf *bp;
struct ucred *cred;
- struct proc *procp;
+ struct thread *td;
{
struct nfsmount *nmp;
int i;
@@ -1334,7 +1335,7 @@ again:
error = tsleep(&nmp->nm_bufq, slpflag | PRIBIO,
"nfsaio", slptimeo);
if (error) {
- if (nfs_sigintr(nmp, NULL, procp))
+ if (nfs_sigintr(nmp, NULL, td->td_proc))
return (EINTR);
if (slpflag == PCATCH) {
slpflag = 0;
@@ -1384,10 +1385,10 @@ again:
* synchronously or from an nfsiod.
*/
int
-nfs_doio(bp, cr, p)
+nfs_doio(bp, cr, td)
struct buf *bp;
struct ucred *cr;
- struct proc *p;
+ struct thread *td;
{
struct uio *uiop;
struct vnode *vp;
@@ -1396,6 +1397,7 @@ nfs_doio(bp, cr, p)
int error = 0, iomode, must_commit = 0;
struct uio uio;
struct iovec io;
+ struct proc *p = td?td->td_proc:NULL;
vp = bp->b_vp;
np = VTONFS(vp);
@@ -1404,7 +1406,7 @@ nfs_doio(bp, cr, p)
uiop->uio_iov = &io;
uiop->uio_iovcnt = 1;
uiop->uio_segflg = UIO_SYSSPACE;
- uiop->uio_procp = p;
+ uiop->uio_td = td;
/*
* clear BIO_ERROR and B_INVAL state prior to initiating the I/O. We
@@ -1525,7 +1527,7 @@ nfs_doio(bp, cr, p)
bp->b_flags |= B_WRITEINPROG;
retv = nfs_commit(
bp->b_vp, off, bp->b_dirtyend-bp->b_dirtyoff,
- bp->b_wcred, p);
+ bp->b_wcred, td);
bp->b_flags &= ~B_WRITEINPROG;
if (retv == 0) {
bp->b_dirtyoff = bp->b_dirtyend = 0;
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