#include <sys/malloc.h>
#include <sys/namei.h>
#include <sys/unistd.h>
+#if __FreeBSD_version >= 1000030
+#include <sys/rwlock.h>
+#endif
#include <vm/vm_page.h>
#include <vm/vm_object.h>
#include <vm/vm_pager.h>
#define DROPNAME() FREE(name, M_TEMP)
+/*
+ * Here we define compatibility functions/macros for interfaces that
+ * have changed between different FreeBSD versions.
+ */
+#if defined(AFS_FBSD90_ENV)
+static __inline void ma_vm_page_lock_queues(void) {};
+static __inline void ma_vm_page_unlock_queues(void) {};
+static __inline void ma_vm_page_lock(vm_page_t m) { vm_page_lock(m); };
+static __inline void ma_vm_page_unlock(vm_page_t m) { vm_page_unlock(m); };
+#else
+static __inline void ma_vm_page_lock_queues(void) { vm_page_lock_queues(); };
+static __inline void ma_vm_page_unlock_queues(void) { vm_page_unlock_queues(); };
+static __inline void ma_vm_page_lock(vm_page_t m) {};
+static __inline void ma_vm_page_unlock(vm_page_t m) {};
+#endif
+
#if defined(AFS_FBSD80_ENV)
#define ma_vn_lock(vp, flags, p) (vn_lock(vp, flags))
#define MA_VOP_LOCK(vp, flags, p) (VOP_LOCK(vp, flags))
#define MA_VOP_UNLOCK(vp, flags, p) (VOP_UNLOCK(vp, flags, p))
#endif
+#if defined(AFS_FBSD70_ENV)
+#define MA_PCPU_INC(c) PCPU_INC(c)
+#define MA_PCPU_ADD(c, n) PCPU_ADD(c, n)
+#else
+#define MA_PCPU_INC(c) PCPU_LAZY_INC(c)
+#define MA_PCPU_ADD(c, n) (c) += (n)
+#endif
+
+#if __FreeBSD_version >= 1000030
+#define AFS_VM_OBJECT_WLOCK(o) VM_OBJECT_WLOCK(o)
+#define AFS_VM_OBJECT_WUNLOCK(o) VM_OBJECT_WUNLOCK(o)
+#else
+#define AFS_VM_OBJECT_WLOCK(o) VM_OBJECT_LOCK(o)
+#define AFS_VM_OBJECT_WUNLOCK(o) VM_OBJECT_UNLOCK(o)
+#endif
+
#ifdef AFS_FBSD70_ENV
#ifndef AFS_FBSD80_ENV
/* From kern_lock.c */
int error;
struct vcache *vcp;
struct vnode *vp, *dvp;
- register int flags = ap->a_cnp->cn_flags;
+ int flags = ap->a_cnp->cn_flags;
int lockparent; /* 1 => lockparent flag is set */
int wantparent; /* 1 => wantparent or lockparent flag */
+#ifndef AFS_FBSD80_ENV
struct thread *p = ap->a_cnp->cn_thread;
+#endif
dvp = ap->a_dvp;
if (dvp->v_type != VDIR) {
lockparent = flags & LOCKPARENT;
wantparent = flags & (LOCKPARENT | WANTPARENT);
-#ifdef AFS_FBSD80_ENV
+#if __FreeBSD_version < 1000021
cnp->cn_flags |= MPSAFE; /* steel */
#endif
-#ifndef AFS_FBSD70_ENV
if (flags & ISDOTDOT)
- VOP_UNLOCK(dvp, 0, p);
-#endif
+ MA_VOP_UNLOCK(dvp, 0, p);
AFS_GLOCK();
error = afs_lookup(VTOAFS(dvp), name, &vcp, cnp->cn_cred);
* we also always return the vnode locked. */
if (flags & ISDOTDOT) {
+ /* vp before dvp since we go root to leaf, and .. comes first */
ma_vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
+ ma_vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, p);
/* always return the child locked */
if (lockparent && (flags & ISLASTCN)
&& (error = ma_vn_lock(dvp, LK_EXCLUSIVE, p))) {
MA_VOP_UNLOCK(dvp, 0, p); /* done with parent. */
#endif
}
- ma_vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
+ ma_vn_lock(vp, LK_EXCLUSIVE | LK_CANRECURSE | LK_RETRY, p);
/* always return the child locked */
}
*ap->a_vpp = vp;
{
int error = 0;
struct vcache *vcp;
- register struct vnode *dvp = ap->a_dvp;
+ struct vnode *dvp = ap->a_dvp;
+#ifndef AFS_FBSD80_ENV
struct thread *p = ap->a_cnp->cn_thread;
+#endif
GETNAME();
AFS_GLOCK();
* struct thread *a_td;
* } */ *ap;
{
- int code;
- struct vcache *avc = VTOAFS(ap->a_vp);
+ int code, iflag;
+ struct vnode *vp = ap->a_vp;
+ struct vcache *avc = VTOAFS(vp);
+
+#if defined(AFS_FBSD80_ENV)
+ VI_LOCK(vp);
+ iflag = vp->v_iflag & VI_DOOMED;
+ VI_UNLOCK(vp);
+ if (iflag & VI_DOOMED) {
+ /* osi_FlushVCache (correctly) calls vgone() on recycled vnodes, we don't
+ * have an afs_close to process, in that case */
+ if (avc->opens != 0)
+ panic("afs_vop_close: doomed vnode %p has vcache %p with non-zero opens %d\n",
+ vp, avc, avc->opens);
+ return 0;
+ }
+#endif
+
AFS_GLOCK();
if (ap->a_cred)
code = afs_close(avc, ap->a_fflag, ap->a_cred);
* } */ *ap;
{
int code;
+
AFS_GLOCK();
code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, ap->a_cred);
AFS_GUNLOCK();
+
return code;
}
struct vcache *avc = VTOAFS(ap->a_vp);
AFS_GLOCK();
osi_FlushPages(avc, ap->a_cred); /* hold bozon lock, but not basic vnode lock */
- code = afs_read(avc, ap->a_uio, ap->a_cred, 0, 0, 0);
+ code = afs_read(avc, ap->a_uio, ap->a_cred, 0);
AFS_GUNLOCK();
return code;
}
{
vm_page_t m = ap->a_m[ap->a_reqpage];
- VM_OBJECT_LOCK(object);
- vm_page_lock_queues();
+ AFS_VM_OBJECT_WLOCK(object);
+ ma_vm_page_lock_queues();
if (m->valid != 0) {
/* handled by vm_fault now */
/* vm_page_zero_invalid(m, TRUE); */
for (i = 0; i < npages; ++i) {
- if (i != ap->a_reqpage)
+ if (i != ap->a_reqpage) {
+ ma_vm_page_lock(ap->a_m[i]);
vm_page_free(ap->a_m[i]);
+ ma_vm_page_unlock(ap->a_m[i]);
+ }
}
- vm_page_unlock_queues();
- VM_OBJECT_UNLOCK(object);
+ ma_vm_page_unlock_queues();
+ AFS_VM_OBJECT_WUNLOCK(object);
return (0);
}
- vm_page_unlock_queues();
- VM_OBJECT_UNLOCK(object);
+ ma_vm_page_unlock_queues();
+ AFS_VM_OBJECT_WUNLOCK(object);
}
bp = getpbuf(&afs_pbuf_freecnt);
kva = (vm_offset_t) bp->b_data;
pmap_qenter(kva, ap->a_m, npages);
- cnt.v_vnodein++;
- cnt.v_vnodepgsin += npages;
+ MA_PCPU_INC(cnt.v_vnodein);
+ MA_PCPU_ADD(cnt.v_vnodepgsin, npages);
iov.iov_base = (caddr_t) kva;
iov.iov_len = ap->a_count;
AFS_GLOCK();
osi_FlushPages(avc, osi_curcred()); /* hold bozon lock, but not basic vnode lock */
- code = afs_read(avc, &uio, osi_curcred(), 0, 0, 0);
+ code = afs_read(avc, &uio, osi_curcred(), 0);
AFS_GUNLOCK();
pmap_qremove(kva, npages);
relpbuf(bp, &afs_pbuf_freecnt);
if (code && (uio.uio_resid == ap->a_count)) {
- VM_OBJECT_LOCK(object);
- vm_page_lock_queues();
+ AFS_VM_OBJECT_WLOCK(object);
+ ma_vm_page_lock_queues();
for (i = 0; i < npages; ++i) {
if (i != ap->a_reqpage)
vm_page_free(ap->a_m[i]);
}
- vm_page_unlock_queues();
- VM_OBJECT_UNLOCK(object);
+ ma_vm_page_unlock_queues();
+ AFS_VM_OBJECT_WUNLOCK(object);
return VM_PAGER_ERROR;
}
size = ap->a_count - uio.uio_resid;
- VM_OBJECT_LOCK(object);
- vm_page_lock_queues();
+ AFS_VM_OBJECT_WLOCK(object);
+ ma_vm_page_lock_queues();
for (i = 0, toff = 0; i < npages; i++, toff = nextoff) {
vm_page_t m;
nextoff = toff + PAGE_SIZE;
m = ap->a_m[i];
+ /* XXX not in nfsclient? */
m->flags &= ~PG_ZERO;
if (nextoff <= size) {
* Read operation filled an entire page
*/
m->valid = VM_PAGE_BITS_ALL;
+#ifndef AFS_FBSD80_ENV
vm_page_undirty(m);
+#else
+ KASSERT(m->dirty == 0, ("afs_getpages: page %p is dirty", m));
+#endif
} else if (size > toff) {
/*
* Read operation filled a partial page.
*/
m->valid = 0;
vm_page_set_validclean(m, 0, size - toff);
- /* handled by vm_fault now */
- /* vm_page_zero_invalid(m, TRUE); */
+ KASSERT(m->dirty == 0, ("afs_getpages: page %p is dirty", m));
}
if (i != ap->a_reqpage) {
+#if __FreeBSD_version >= 1000042
+ vm_page_readahead_finish(m);
+#else
/*
* Whether or not to leave the page activated is up in
* the air, but we should put the page on a page queue
*/
if (!code) {
#if defined(AFS_FBSD70_ENV)
- if (m->oflags & VPO_WANTED)
+ if (m->oflags & VPO_WANTED) {
#else
- if (m->flags & PG_WANTED)
+ if (m->flags & PG_WANTED) {
#endif
+ ma_vm_page_lock(m);
vm_page_activate(m);
- else
+ ma_vm_page_unlock(m);
+ }
+ else {
+ ma_vm_page_lock(m);
vm_page_deactivate(m);
+ ma_vm_page_unlock(m);
+ }
vm_page_wakeup(m);
} else {
+ ma_vm_page_lock(m);
vm_page_free(m);
+ ma_vm_page_unlock(m);
}
+#endif /* __FreeBSD_version 1000042 */
}
}
- vm_page_unlock_queues();
- VM_OBJECT_UNLOCK(object);
+ ma_vm_page_unlock_queues();
+ AFS_VM_OBJECT_WUNLOCK(object);
return 0;
}
kva = (vm_offset_t) bp->b_data;
pmap_qenter(kva, ap->a_m, npages);
- cnt.v_vnodeout++;
- cnt.v_vnodepgsout += ap->a_count;
+ MA_PCPU_INC(cnt.v_vnodeout);
+ MA_PCPU_ADD(cnt.v_vnodepgsout, ap->a_count);
iov.iov_base = (caddr_t) kva;
iov.iov_len = ap->a_count;
return (1);
}
-/*
- * Mmap a file
- *
- * NB Currently unsupported.
- */
-/* ARGSUSED */
-int
-afs_vop_mmap(ap)
- struct vop_mmap_args /* {
- * struct vnode *a_vp;
- * int a_fflags;
- * struct ucred *a_cred;
- * struct thread *td;
- * } */ *ap;
-{
- return (EINVAL);
-}
-
int
afs_vop_fsync(ap)
struct vop_fsync_args /* {
* } */ *ap;
{
int error;
- register struct vnode *vp = ap->a_vp;
+ struct vnode *vp = ap->a_vp;
AFS_GLOCK();
/*vflushbuf(vp, wait); */
* } */ *ap;
{
int error = 0;
- register struct vnode *vp = ap->a_vp;
- register struct vnode *dvp = ap->a_dvp;
+ struct vnode *vp = ap->a_vp;
+ struct vnode *dvp = ap->a_dvp;
GETNAME();
AFS_GLOCK();
* } */ *ap;
{
int error = 0;
- register struct vnode *dvp = ap->a_tdvp;
- register struct vnode *vp = ap->a_vp;
+ struct vnode *dvp = ap->a_tdvp;
+ struct vnode *vp = ap->a_vp;
+#ifndef AFS_FBSD80_ENV
struct thread *p = ap->a_cnp->cn_thread;
+#endif
GETNAME();
if (dvp->v_mount != vp->v_mount) {
error = EISDIR;
goto out;
}
- if ((error = ma_vn_lock(vp, LK_EXCLUSIVE, p)) != 0) {
+ if ((error = ma_vn_lock(vp, LK_CANRECURSE | LK_EXCLUSIVE, p)) != 0) {
goto out;
}
AFS_GLOCK();
struct componentname *tcnp = ap->a_tcnp;
char *tname;
struct vnode *tvp = ap->a_tvp;
- register struct vnode *tdvp = ap->a_tdvp;
+ struct vnode *tdvp = ap->a_tdvp;
struct vnode *fvp = ap->a_fvp;
- register struct vnode *fdvp = ap->a_fdvp;
+ struct vnode *fdvp = ap->a_fdvp;
+#ifndef AFS_FBSD80_ENV
struct thread *p = fcnp->cn_thread;
+#endif
/*
* Check for cross-device rename.
* struct vattr *a_vap;
* } */ *ap;
{
- register struct vnode *dvp = ap->a_dvp;
- register struct vattr *vap = ap->a_vap;
+ struct vnode *dvp = ap->a_dvp;
+ struct vattr *vap = ap->a_vap;
int error = 0;
struct vcache *vcp;
+#ifndef AFS_FBSD80_ENV
struct thread *p = ap->a_cnp->cn_thread;
+#endif
GETNAME();
#ifdef DIAGNOSTIC
* } */ *ap;
{
int error = 0;
- register struct vnode *dvp = ap->a_dvp;
+ struct vnode *dvp = ap->a_dvp;
GETNAME();
AFS_GLOCK();
return error;
}
-extern int prtactive;
-
int
afs_vop_inactive(ap)
struct vop_inactive_args /* {
* struct thread *td;
* } */ *ap;
{
- register struct vnode *vp = ap->a_vp;
-
- if (prtactive && vp->v_usecount != 0)
- vprint("afs_vop_inactive(): pushing active", vp);
+ struct vnode *vp = ap->a_vp;
AFS_GLOCK();
afs_InactiveVCache(VTOAFS(vp), 0); /* decrs ref counts */
AFS_GLOCK();
if (!haveVlock)
ObtainWriteLock(&afs_xvcache, 901);
-#ifndef AFS_DISCON_ENV
- code = afs_FlushVCache(avc, &slept); /* tosses our stuff from vnode */
-#else
/* reclaim the vnode and the in-memory vcache, but keep the on-disk vcache */
- code = afs_FlushVS(avc);
-#endif
+ code = afs_FlushVCache(avc, &slept);
+
+ if (avc->f.states & CVInit) {
+ avc->f.states &= ~CVInit;
+ afs_osi_Wakeup(&avc->f.states);
+ }
+
if (!haveVlock)
ReleaseWriteLock(&afs_xvcache);
if (!haveGlock)
AFS_GUNLOCK();
- /*
- * XXX Pretend it worked, to prevent panic on shutdown
- * Garrett, please fix - Jim Rees
- */
if (code) {
- printf("afs_vop_reclaim: afs_FlushVCache failed code %d vnode\n", code);
+ afs_warn("afs_vop_reclaim: afs_FlushVCache failed code %d vnode\n", code);
VOP_PRINT(vp);
}
* struct vnode *a_vp;
* } */ *ap;
{
- register struct vnode *vp = ap->a_vp;
- register struct vcache *vc = VTOAFS(ap->a_vp);
+ struct vnode *vp = ap->a_vp;
+ struct vcache *vc = VTOAFS(ap->a_vp);
int s = vc->f.states;
- printf("tag %s, fid: %d.%d.%d.%d, opens %d, writers %d", vp->v_tag,
+ printf("vc %p vp %p tag %s, fid: %d.%d.%d.%d, opens %d, writers %d", vc, vp, vp->v_tag,
(int)vc->f.fid.Cell, (u_int) vc->f.fid.Fid.Volume,
(u_int) vc->f.fid.Fid.Vnode, (u_int) vc->f.fid.Fid.Unique, vc->opens,
vc->execsOrWriters);
AFS_GLOCK();
error =
- afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, ap->a_op, &cr, (int)ap->a_id);
+ afs_lockctl(VTOAFS(ap->a_vp),
+ ap->a_fl,
+ ap->a_op, &cr,
+ (int)(intptr_t)ap->a_id); /* XXX: no longer unique! */
AFS_GUNLOCK();
return error;
}
git://git.openafs.org / openafs.git / blobdiff