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make attr, entry, negative_entry cache timeouts runtime configurable

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This commit is contained in:
Antonio SJ Musumeci 2019-02-03 22:38:57 -05:00
parent a64c7c97ad
commit 0918dfd117
12 changed files with 253 additions and 31 deletions
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69
src/fuse_setxattr.cpp
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@ -119,6 +119,24 @@ namespace l
return 0;
}
static
int
setxattr_double(const string &attrval_,
const int flags_,
double *d_)
{
int rv;
if((flags_ & XATTR_CREATE) == XATTR_CREATE)
return -EEXIST;
rv = num::to_double(attrval_,d_);
if(rv == -1)
return -EINVAL;
return 0;
}
static
int
setxattr_time_t(const string &attrval,
@ -276,6 +294,51 @@ namespace l
return rv;
}
static
int
setxattr_controlfile_cache_attr(const string &attrval_,
const int flags_)
{
int rv;
double d;
rv = l::setxattr_double(attrval_,flags_,&d);
if(rv >= 0)
fuse_config_set_attr_timeout(fuse_get_context()->fuse,d);
return rv;
}
static
int
setxattr_controlfile_cache_entry(const string &attrval_,
const int flags_)
{
int rv;
double d;
rv = l::setxattr_double(attrval_,flags_,&d);
if(rv >= 0)
fuse_config_set_entry_timeout(fuse_get_context()->fuse,d);
return rv;
}
static
int
setxattr_controlfile_cache_negative_entry(const string &attrval_,
const int flags_)
{
int rv;
double d;
rv = l::setxattr_double(attrval_,flags_,&d);
if(rv >= 0)
fuse_config_set_negative_entry_timeout(fuse_get_context()->fuse,d);
return rv;
}
static
int
setxattr_controlfile(Config &config,
@ -367,6 +430,12 @@ namespace l
config.open_cache.timeout);
else if((attr[2] == "cache") && (attr[3] == "statfs"))
return l::setxattr_statfs_timeout(attrval,flags);
else if((attr[2] == "cache") && (attr[3] == "attr"))
return l::setxattr_controlfile_cache_attr(attrval,flags);
else if((attr[2] == "cache") && (attr[3] == "entry"))
return l::setxattr_controlfile_cache_entry(attrval,flags);
else if((attr[2] == "cache") && (attr[3] == "negative_entry"))
return l::setxattr_controlfile_cache_negative_entry(attrval,flags);
break;
default: