ilo-pona/xv6-65oo2
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Activity

try harder to get directory refcounts right

Browse source
This commit is contained in:
kolya 2008-10-17 12:42:13 +00:00
parent f3e87bc838
commit 15a2693637
1 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
sysfile.c
View file

@ -199,6 +199,10 @@ sys_unlink(void)
memset(&de, 0, sizeof(de)); memset(&de, 0, sizeof(de));
if(writei(dp, (char*)&de, off, sizeof(de)) != sizeof(de)) if(writei(dp, (char*)&de, off, sizeof(de)) != sizeof(de))
panic("unlink: writei"); panic("unlink: writei");
if(ip->type == T_DIR){
dp->nlink--;
iupdate(dp);
}
iunlockput(dp); iunlockput(dp);
ip->nlink--; ip->nlink--;
@ -247,8 +251,10 @@ create(char *path, int canexist, short type, short major, short minor)
} }
if(dirlink(dp, name, ip->inum) < 0){ if(dirlink(dp, name, ip->inum) < 0){
dp->nlink--; if(type == T_DIR){
iupdate(dp); dp->nlink--;
iupdate(dp);
}
iunlockput(dp); iunlockput(dp);
ip->nlink = 0; ip->nlink = 0;