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gefs: remove nokill code

Browse source 
After discussion, it was suggested that it might make more
sense to handle the noswap stuff outside of gefs, like
with any other fileserver.

plan9 file-servers are not privileged. one might even run
them in a test script to mount an image.
This commit is contained in:
cinap_lenrek 2024-11-23 17:37:07 +00:00
parent 4ed03dff93
commit a77fd25d90
3 changed files with 2 additions and 21 deletions
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2
rc/bin/cpurc
View file

@ -118,4 +118,4 @@ if(test -e /cfg/$sysname/cpustart)
# mode of /proc/*/ctl is inherited across rfork, and sets modes on
# other /proc files, such as note, so let listen be killed.
dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'
dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|gefs|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'

2
rc/bin/termrc
View file

@ -96,4 +96,4 @@ if(~ $terminal *reform*){
reform/audio
}
dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'
dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|gefs|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'

19
sys/src/cmd/gefs/main.c
View file

@ -47,23 +47,6 @@ _trace(char *msg, Bptr bp, vlong v0, vlong v1)
t->v1 = v1;
}
static void
nokill(void)
{
char buf[128];
int fd;
snprint(buf, sizeof(buf), "/proc/%d/ctl", getpid());
if((fd = open(buf, OWRITE)) == -1){
fprint(2, "nokill: open %s: %r", buf);
return;
}
if(fprint(fd, "noswap\n") == -1){
fprint(2, "nokill: write %s: %r", buf);
return;
}
}
static uvlong
memsize(void)
{
@ -216,7 +199,6 @@ launch(void (*f)(int, void *), void *arg, char *text)
if (pid < 0)
sysfatal("can't fork: %r");
if (pid == 0) {
nokill();
id = aincl(&fs->nworker, 1);
if((*errctx = mallocz(sizeof(Errctx), 1)) == nil)
sysfatal("malloc: %r");
@ -408,7 +390,6 @@ main(int argc, char **argv)
}
rfork(RFNOTEG);
nokill();
loadfs(dev);
fs->wrchan = mkchan(32);
fs->admchan = mkchan(32);