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9pfuse: do not fswalk("..")

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f is open, so walk will fail.
The comments say we only need one directory anyway.

Fixes #277.
This commit is contained in:
Russ Cox 2020-01-13 17:07:44 -05:00
parent 1c78140d83
commit fa588406f0
1 changed files with 5 additions and 12 deletions
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17
src/cmd/9pfuse/main.c
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@ -885,7 +885,7 @@ fusereadlink(FuseMsg *m)
* are stored in m->d,nd,d0.
*/
int canpack(Dir*, uvlong, uchar**, uchar*);
Dir *dotdirs(CFid*);
Dir *dotdir(CFid*);
void
fusereaddir(FuseMsg *m)
{
@ -902,8 +902,8 @@ fusereaddir(FuseMsg *m)
if(in->offset == 0){
fsseek(ff->fid, 0, 0);
free(ff->d0);
ff->d0 = ff->d = dotdirs(ff->fid);
ff->nd = 2;
ff->d0 = ff->d = dotdir(ff->fid);
ff->nd = 1;
}
n = in->size;
if(n > fusemaxwrite)
@ -944,20 +944,13 @@ out:
* We could add .. too, but it isn't necessary.
*/
Dir*
dotdirs(CFid *f)
dotdir(CFid *f)
{
Dir *d;
CFid *f1;
d = emalloc(2*sizeof *d);
d = emalloc(1*sizeof *d);
d[0].name = ".";
d[0].qid = fsqid(f);
d[1].name = "..";
f1 = fswalk(f, "..");
if(f1){
d[1].qid = fsqid(f1);
fsclose(f1);
}
return d;
}