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add statfs cache

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This commit is contained in:
Antonio SJ Musumeci 2018-12-12 10:08:17 -05:00
parent f42bd8666e
commit 5be7e007ce
22 changed files with 303 additions and 95 deletions
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29
src/option_parser.cpp
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@ -17,6 +17,7 @@
#include "config.hpp"
#include "errno.hpp"
#include "fs_glob.hpp"
#include "fs_statvfs_cache.hpp"
#include "num.hpp"
#include "policy.hpp"
#include "str.hpp"
@ -112,12 +113,12 @@ set_default_options(fuse_args &args)
static
int
parse_and_process(const std::string &value,
uint64_t &minfreespace)
parse_and_process(const std::string &value_,
uint64_t &int_)
{
int rv;
rv = num::to_uint64_t(value,minfreespace);
rv = num::to_uint64_t(value_,int_);
if(rv == -1)
return 1;
@ -204,12 +205,30 @@ parse_and_process_statfsignore(const std::string &value_,
static
int
parse_and_process_cache(Config &config_,
parse_and_process_statfs_cache(const std::string &value_)
{
int rv;
uint64_t timeout;
rv = num::to_uint64_t(value_,timeout);
if(rv == -1)
return 1;
fs::statvfs_cache_timeout(timeout);
return 0;
}
static
int
parse_and_process_cache(Config &config_,
const string &func_,
const string &value_)
{
if(func_ == "open")
return parse_and_process(value_,config_.open_cache.timeout);
else if(func_ == "statfs")
return parse_and_process_statfs_cache(value_);
return 1;
}
@ -352,6 +371,8 @@ usage(void)
" -o category.<c>=<p> Set functions in category <c> to <p>\n"
" -o cache.open=<int> 'open' policy cache timeout in seconds.\n"
" default = 0 (disabled)\n"
" -o cache.statfs=<int> 'statfs' cache timeout in seconds. Used by\n"
" policies. default = 0 (disabled)\n"
" -o direct_io Bypass page caching, may increase write\n"
" speeds at the cost of reads. Please read docs\n"
" for more details as there are tradeoffs.\n"