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add ability to change statfs behavior

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This commit is contained in:
Antonio SJ Musumeci 2018-11-02 10:23:56 -04:00
parent 3d33428a4e
commit 680f8194f9
12 changed files with 309 additions and 39 deletions
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49
src/option_parser.cpp
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@ -170,6 +170,38 @@ parse_and_process_errno(const std::string &value_,
return 0;
}
static
int
parse_and_process_statfs(const std::string &value_,
Config::StatFS::Enum &enum_)
{
if(value_ == "base")
enum_ = Config::StatFS::BASE;
else if(value_ == "full")
enum_ = Config::StatFS::FULL;
else
return 1;
return 0;
}
static
int
parse_and_process_statfsignore(const std::string &value_,
Config::StatFSIgnore::Enum &enum_)
{
if(value_ == "none")
enum_ = Config::StatFSIgnore::NONE;
else if(value_ == "ro")
enum_ = Config::StatFSIgnore::RO;
else if(value_ == "nc")
enum_ = Config::StatFSIgnore::NC;
else
return 1;
return 0;
}
static
int
parse_and_process_arg(Config &config,
@ -190,9 +222,10 @@ parse_and_process_kv_arg(Config &config,
const std::string &key,
const std::string &value)
{
int rv = -1;
int rv;
std::vector<std::string> keypart;
rv = -1;
str::split(keypart,key,'.');
if(keypart.size() == 2)
{
@ -223,6 +256,10 @@ parse_and_process_kv_arg(Config &config,
rv = parse_and_process(value,config.link_cow);
else if(key == "xattr")
rv = parse_and_process_errno(value,config.xattr);
else if(key == "statfs")
rv = parse_and_process_statfs(value,config.statfs);
else if(key == "statfs_ignore")
rv = parse_and_process_statfsignore(value,config.statfs_ignore);
}
if(rv == -1)
@ -334,6 +371,16 @@ usage(void)
" filesystems. notattr will short circuit as if\n"
" nothing exists. notsup will respond as if not\n"
" supported or disabled. default = passthrough\n"
" -o statfs=base|full When set to 'base' statfs will use all branches\n"
" when performing statfs calculations. 'full' will\n"
" only include branches on which that path is\n"
" available. default = base\n"
" -o statfs_ignore=none|ro|nc\n"
" 'ro' will cause statfs calculations to ignore\n"
" available space for branches mounted or tagged\n"
" as 'read only' or 'no create'. 'nc' will ignore\n"
" available space for branches tagged as\n"
" 'no create'. default = none\n"
<< std::endl;
}