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make dropcacheonclose runtime configurable

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This commit is contained in:
Antonio SJ Musumeci 2017-04-21 16:58:39 -04:00
parent 23dbe48324
commit 8ba3a08f40
3 changed files with 34 additions and 28 deletions
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51
src/setxattr.cpp
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@ -126,11 +126,11 @@ _split_attrval(const string &attrval,
static
int
_setxattr_srcmounts(vector<string> &srcmounts,
_setxattr_srcmounts(const string &attrval,
const int flags,
vector<string> &srcmounts,
pthread_rwlock_t &srcmountslock,
const string &destmount,
const string &attrval,
const int flags)
const string &destmount)
{
string instruction;
string values;
@ -162,16 +162,16 @@ _setxattr_srcmounts(vector<string> &srcmounts,
static
int
_setxattr_minfreespace(Config &config,
const string &attrval,
const int flags)
_setxattr_uint64_t(const string &attrval,
const int flags,
uint64_t &uint)
{
int rv;
if((flags & XATTR_CREATE) == XATTR_CREATE)
return -EEXIST;
rv = num::to_uint64_t(attrval,config.minfreespace);
rv = num::to_uint64_t(attrval,uint);
if(rv == -1)
return -EINVAL;
@ -180,24 +180,23 @@ _setxattr_minfreespace(Config &config,
static
int
_setxattr_moveonenospc(Config &config,
const string &attrval,
const int flags)
_setxattr_bool(const string &attrval,
const int flags,
bool &value)
{
if((flags & XATTR_CREATE) == XATTR_CREATE)
return -EEXIST;
if(attrval == "false")
config.moveonenospc = false;
value = false;
else if(attrval == "true")
config.moveonenospc = true;
value = true;
else
return -EINVAL;
return 0;
}
static
int
_setxattr_controlfile_func_policy(Config &config,
@ -251,19 +250,23 @@ _setxattr_controlfile(Config &config,
{
case 3:
if(attr[2] == "srcmounts")
return _setxattr_srcmounts(config.srcmounts,
return _setxattr_srcmounts(attrval,
flags,
config.srcmounts,
config.srcmountslock,
config.destmount,
attrval,
flags);
config.destmount);
else if(attr[2] == "minfreespace")
return _setxattr_minfreespace(config,
attrval,
flags);
return _setxattr_uint64_t(attrval,
flags,
config.minfreespace);
else if(attr[2] == "moveonenospc")
return _setxattr_moveonenospc(config,
attrval,
flags);
return _setxattr_bool(attrval,
flags,
config.moveonenospc);
else if(attr[2] == "dropcacheonclose")
return _setxattr_bool(attrval,
flags,
config.dropcacheonclose);
break;
case 4: