mirror of https://github.com/trapexit/mergerfs.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
2.7 KiB
108 lines
2.7 KiB
/*
|
|
Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <fuse.h>
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "config.hpp"
|
|
#include "fs_path.hpp"
|
|
#include "rv.hpp"
|
|
#include "rwlock.hpp"
|
|
#include "ugid.hpp"
|
|
|
|
using std::string;
|
|
using std::vector;
|
|
using mergerfs::Policy;
|
|
|
|
static
|
|
int
|
|
_utimens_loop_core(const string *basepath,
|
|
const char *fusepath,
|
|
const timespec ts[2],
|
|
const int error)
|
|
{
|
|
int rv;
|
|
string fullpath;
|
|
|
|
fs::path::make(basepath,fusepath,fullpath);
|
|
|
|
rv = ::utimensat(0,fullpath.c_str(),ts,AT_SYMLINK_NOFOLLOW);
|
|
|
|
return calc_error(rv,error,errno);
|
|
}
|
|
|
|
static
|
|
int
|
|
_utimens_loop(const vector<const string*> &basepaths,
|
|
const char *fusepath,
|
|
const timespec ts[2])
|
|
{
|
|
int error;
|
|
|
|
error = -1;
|
|
for(size_t i = 0, ei = basepaths.size(); i != ei; i++)
|
|
{
|
|
error = _utimens_loop_core(basepaths[i],fusepath,ts,error);
|
|
}
|
|
|
|
return -error;
|
|
}
|
|
|
|
static
|
|
int
|
|
_utimens(Policy::Func::Action actionFunc,
|
|
const vector<string> &srcmounts,
|
|
const size_t minfreespace,
|
|
const char *fusepath,
|
|
const timespec ts[2])
|
|
{
|
|
int rv;
|
|
vector<const string*> basepaths;
|
|
|
|
rv = actionFunc(srcmounts,fusepath,minfreespace,basepaths);
|
|
if(rv == -1)
|
|
return -errno;
|
|
|
|
return _utimens_loop(basepaths,fusepath,ts);
|
|
}
|
|
|
|
namespace mergerfs
|
|
{
|
|
namespace fuse
|
|
{
|
|
int
|
|
utimens(const char *fusepath,
|
|
const timespec ts[2])
|
|
{
|
|
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 _utimens(config.utimens,
|
|
config.srcmounts,
|
|
config.minfreespace,
|
|
fusepath,
|
|
ts);
|
|
}
|
|
}
|
|
}
|