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hgfs: avoid revlogupdate() calls when reading root (thanks burnzez)

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we do not need to check for revlog updates on every
(directory) read when reading the root. only do it
when reading from the start.
This commit is contained in:
cinap_lenrek 2014-05-08 22:20:26 +02:00
parent 428cc541f8
commit f4f2ff6038
1 changed files with 4 additions and 2 deletions
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6
sys/src/cmd/hgfs/fs.c
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@ -663,8 +663,10 @@ fsread(Req *r)
rf = r->fid->aux;
switch(rf->level){
case Qroot:
revlogupdate(&changelog);
revlogupdate(&manifest);
if(off == 0){
revlogupdate(&changelog);
revlogupdate(&manifest);
}
dirread9p(r, rootgen, nil);
respond(r, nil);
return;