* [9front] [PATCH] exportfs: fix clunk of first attach with -S
@ 2022-10-16 19:35 Michael Forney
2022-10-16 22:04 ` ori
0 siblings, 1 reply; 2+ messages in thread
From: Michael Forney @ 2022-10-16 19:35 UTC (permalink / raw)
To: 9front
0 is a valid mid so should not be used as a nil value, since then the
first mount (mid=0) will never be unmounted.
---
diff 8e2c59136fe37143189f1dca81f53d7c6e11463f a8f8a2e401734a83dc6f098bf57dd4ae5b0f815b
--- a/sys/src/cmd/exportfs/io.c
+++ b/sys/src/cmd/exportfs/io.c
@@ -119,7 +119,7 @@
l = &fidhash(nr);
for(f = *l; f != nil; f = f->next) {
if(f->nr == nr) {
- if(f->mid) {
+ if(f->mid != -1) {
snprint(buf, sizeof(buf), "/mnt/exportfs/%d", f->mid);
unmount(0, buf);
psmap[f->mid] = 0;
@@ -171,7 +171,7 @@
*l = new;
new->nr = nr;
new->fid = -1;
- new->mid = 0;
+ new->mid = -1;
return new;
}
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [9front] [PATCH] exportfs: fix clunk of first attach with -S
2022-10-16 19:35 [9front] [PATCH] exportfs: fix clunk of first attach with -S Michael Forney
@ 2022-10-16 22:04 ` ori
0 siblings, 0 replies; 2+ messages in thread
From: ori @ 2022-10-16 22:04 UTC (permalink / raw)
To: 9front
Quoth Michael Forney <mforney@mforney.org>:
>
> 0 is a valid mid so should not be used as a nil value, since then the
> first mount (mid=0) will never be unmounted.
ok by me.
> ---
> diff 8e2c59136fe37143189f1dca81f53d7c6e11463f a8f8a2e401734a83dc6f098bf57dd4ae5b0f815b
> --- a/sys/src/cmd/exportfs/io.c
> +++ b/sys/src/cmd/exportfs/io.c
> @@ -119,7 +119,7 @@
> l = &fidhash(nr);
> for(f = *l; f != nil; f = f->next) {
> if(f->nr == nr) {
> - if(f->mid) {
> + if(f->mid != -1) {
> snprint(buf, sizeof(buf), "/mnt/exportfs/%d", f->mid);
> unmount(0, buf);
> psmap[f->mid] = 0;
> @@ -171,7 +171,7 @@
> *l = new;
> new->nr = nr;
> new->fid = -1;
> - new->mid = 0;
> + new->mid = -1;
>
> return new;
> }
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-10-16 19:35 [9front] [PATCH] exportfs: fix clunk of first attach with -S Michael Forney
2022-10-16 22:04 ` ori
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