static int
vnop_fsync_9p(struct vnop_fsync_args *ap)
{
node_9p *np;
dir_9p d;
int e;
TRACE();
if (!vnode_isreg(ap->a_vp))
return 0;
np = NTO9P(ap->a_vp);
nlock_9p(np, NODE_LCK_EXCLUSIVE);
if (ubc_getsize(ap->a_vp)>0 && !vnode_isnocache(ap->a_vp)) {
if (ISSET(np->flags, NODE_MMAPPED))
ubc_msync(np->vp, 0, ubc_getsize(np->vp), NULL, UBC_PUSHDIRTY|UBC_SYNC);
else
cluster_push(np->vp, IO_SYNC);
}
e = 0;
/* only sync write fids */
if (np->openfid[OWRITE].fid!=NOFID || np->openfid[ORDWR].fid!=NOFID) {
nulldir(&d);
e = wstat_9p(np->nmp, np->fid, &d);
}
nunlock_9p(np);
return e;
}
static int
vnop_close_9p(struct vnop_close_args *ap)
{
openfid_9p *op;
node_9p *np;
int e;
TRACE();
e = 0;
np = NTO9P(ap->a_vp);
nlock_9p(np, NODE_LCK_EXCLUSIVE);
op = ofidget(np, ap->a_fflag);
if (op->fid == NOFID) {
e = EBADF;
goto error;
}
if (OSDecrementAtomic(&op->ref) == 1) {
if (ISSET(np->flags, NODE_MMAPPED))
ubc_msync(np->vp, 0, ubc_getsize(np->vp), NULL, UBC_PUSHDIRTY|UBC_SYNC);
else
cluster_push(np->vp, IO_CLOSE);
/* root gets clunk in vfs_unmount_9p() */
if (!ISSET(np->nmp->flags, F_UNMOUNTING))
e = clunk_9p(np->nmp, op->fid);
op->fid = NOFID;
}
error:
nunlock_9p(np);
return e;
}
static int
vnop_read_9p(struct vnop_read_args *ap)
{
node_9p *np;
vnode_t vp;
uio_t uio;
int e;
TRACE();
vp = ap->a_vp;
uio = ap->a_uio;
np = NTO9P(vp);
if (vnode_isdir(vp))
return EISDIR;
if (uio_offset(uio) < 0)
return EINVAL;
if (uio_resid(uio) == 0)
return 0;
nlock_9p(np, NODE_LCK_SHARED);
if (vnode_isnocache(vp) || ISSET(ap->a_ioflag, IO_NOCACHE)) {
if (ISSET(np->flags, NODE_MMAPPED))
ubc_msync(vp, 0, ubc_getsize(vp), NULL, UBC_PUSHDIRTY|UBC_SYNC);
else
cluster_push(vp, IO_SYNC);
ubc_msync(vp, uio_offset(uio), uio_offset(uio)+uio_resid(uio), NULL, UBC_INVALIDATE);
e = nread_9p(np, uio);
} else
e = cluster_read(vp, uio, np->dir.length, ap->a_ioflag);
nunlock_9p(np);
return e;
}
static int
fuse_sync_callback(vnode_t vp, void *cargs)
{
int type;
struct fuse_sync_cargs *args;
struct fuse_vnode_data *fvdat;
struct fuse_filehandle *fufh;
struct fuse_data *data;
mount_t mp;
if (!vnode_hasdirtyblks(vp)) {
return VNODE_RETURNED;
}
mp = vnode_mount(vp);
if (fuse_isdeadfs_mp(mp)) {
return VNODE_RETURNED_DONE;
}
data = fuse_get_mpdata(mp);
if (!fuse_implemented(data, (vnode_isdir(vp)) ?
FSESS_NOIMPLBIT(FSYNCDIR) : FSESS_NOIMPLBIT(FSYNC))) {
return VNODE_RETURNED;
}
args = (struct fuse_sync_cargs *)cargs;
fvdat = VTOFUD(vp);
#if M_OSXFUSE_ENABLE_BIG_LOCK
fuse_biglock_unlock(data->biglock);
#endif
cluster_push(vp, 0);
#if M_OSXFUSE_ENABLE_BIG_LOCK
fuse_biglock_lock(data->biglock);
#endif
for (type = 0; type < FUFH_MAXTYPE; type++) {
fufh = &(fvdat->fufh[type]);
if (FUFH_IS_VALID(fufh)) {
(void)fuse_internal_fsync_fh(vp, args->context, fufh,
FUSE_OP_FOREGROUNDED);
}
}
/*
* In general:
*
* - can use vnode_isinuse() if the need be
* - vnode and UBC are in lock-step
* - note that umount will call ubc_sync_range()
*/
return VNODE_RETURNED;
}
static int
fuse_sync_callback(vnode_t vp, void *cargs)
{
int type;
struct fuse_sync_cargs *args;
struct fuse_vnode_data *fvdat;
struct fuse_dispatcher fdi;
struct fuse_filehandle *fufh;
struct fuse_data *data;
mount_t mp;
if (!vnode_hasdirtyblks(vp)) {
return VNODE_RETURNED;
}
mp = vnode_mount(vp);
if (fuse_isdeadfs(vp)) {
return VNODE_RETURNED_DONE;
}
data = fuse_get_mpdata(mp);
if (!fuse_implemented(data, (vnode_isdir(vp)) ?
FSESS_NOIMPLBIT(FSYNCDIR) : FSESS_NOIMPLBIT(FSYNC))) {
return VNODE_RETURNED;
}
args = (struct fuse_sync_cargs *)cargs;
fvdat = VTOFUD(vp);
cluster_push(vp, 0);
fuse_dispatcher_init(&fdi, 0);
for (type = 0; type < FUFH_MAXTYPE; type++) {
fufh = &(fvdat->fufh[type]);
if (FUFH_IS_VALID(fufh)) {
(void)fuse_internal_fsync(vp, args->context, fufh, &fdi);
}
}
/*
* In general:
*
* - can use vnode_isinuse() if the need be
* - vnode and UBC are in lock-step
* - note that umount will call ubc_sync_range()
*/
return VNODE_RETURNED;
}
