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make changing credentials opportunistic + per thread setgroups cache

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closes #129,#131
This commit is contained in:
Antonio SJ Musumeci 2015-09-08 15:56:02 -04:00
parent b194272e39
commit 3163258a33
31 changed files with 380 additions and 168 deletions
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11
src/link.cpp
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@ -38,6 +38,7 @@
using std::string;
using std::vector;
using mergerfs::Policy;
using namespace mergerfs;
static
int
@ -64,7 +65,7 @@ _single_link(Policy::Func::Search searchFunc,
return -1;
{
const mergerfs::ugid::SetResetGuard ugid(0,0);
const ugid::SetRootGuard ugidGuard;
fs::clonepath(foundpath[0],base,newpathdir);
}
@ -110,10 +111,10 @@ namespace mergerfs
link(const char *from,
const char *to)
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::get(fc);
const ugid::SetResetGuard ugid(fc->uid,fc->gid);
const rwlock::ReadGuard readlock(&config.srcmountslock);
const fuse_context *fc = fuse_get_context();
const Config &config = Config::get(fc);
const ugid::Set ugid(fc->uid,fc->gid);
const rwlock::ReadGuard readlock(&config.srcmountslock);
return _link(config.getattr,
config.link,