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Updating return/variable types 

After running Clang’s analyzer on it there were quite a few places where there were mis-matched store sizes and signs.  I updated them so that the underlying code more closely-matches the OS APIs and the type change happens at the FUSE connection.

In this way, if FUSE ever updates the API to actually match the APIs of modern OSes, it’s a fix in one place.

Also, I updated read/write to return the total read/write value the OS returned rather than blindly return the request count.
pull/384/head
Adam Knight 9 years ago
parent
39b7772549
commit
d1aec144a6
22 changed files with 151 additions and 146 deletions
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  1. 4
      src/fs.cpp
  2. 2
      src/fs_acl.cpp
  3. 2
      src/fs_base_getxattr.hpp
  4. 6
      src/fs_base_ioctl.hpp
  5. 2
      src/fs_base_listxattr.hpp
  6. 2
      src/fs_base_readlink.hpp
  7. 43
      src/fs_clonefile.cpp
  8. 6
      src/fs_inode.hpp
  9. 2
      src/fs_movefile.cpp
  10. 78
      src/fs_xattr.cpp
  11. 28
      src/getxattr.cpp
  12. 16
      src/gidcache.cpp
  13. 18
      src/ioctl.cpp
  14. 12
      src/listxattr.cpp
  15. 2
      src/mergerfs.cpp
  16. 2
      src/num.cpp
  17. 16
      src/read.cpp
  18. 6
      src/readdir.cpp
  19. 10
      src/readlink.cpp
  20. 6
      src/ugid_rwlock.hpp
  21. 24
      src/write.cpp
  22. 8
      src/write_buf.cpp

4
src/fs.cpp
View File

@ -151,7 +151,7 @@ namespace fs
return -1;
dev = st.st_dev;
for(int i = 0, ei = srcmounts.size(); i != ei; i++)
for(size_t i = 0, ei = srcmounts.size(); i != ei; i++)
{
fs::path::make(&srcmounts[i],fusepath,fullpath);
@ -241,7 +241,7 @@ namespace fs
if(spaceavail <= mfs)
continue;
mfs = spaceavail;
mfs = (fsblkcnt_t)spaceavail;
mfsbasepath = &basepaths[i];
}

2
src/fs_acl.cpp
View File

@ -30,7 +30,7 @@ namespace fs
bool
dir_has_defaults(const std::string &fullpath)
{
int rv;
ssize_t rv;
std::string dirpath = fullpath;
fs::path::dirname(dirpath);

2
src/fs_base_getxattr.hpp
View File

@ -28,7 +28,7 @@ namespace fs
{
static
inline
int
ssize_t
lgetxattr(const std::string &path,
const char *attrname,
void *value,

6
src/fs_base_ioctl.hpp
View File

@ -26,9 +26,9 @@ namespace fs
static
inline
int
ioctl(const int fd,
const int request,
void *data)
ioctl(const int fd,
const unsigned long request,
void *data)
{
return ::ioctl(fd,request,data);
}

2
src/fs_base_listxattr.hpp
View File

@ -28,7 +28,7 @@ namespace fs
{
static
inline
int
ssize_t
llistxattr(const std::string &path,
char *list,
const size_t size)

2
src/fs_base_readlink.hpp
View File

@ -27,7 +27,7 @@ namespace fs
{
static
inline
int
ssize_t
readlink(const std::string &path,
char *buf,
const size_t bufsiz)

43
src/fs_clonefile.cpp
View File

@ -48,13 +48,13 @@
using std::string;
using std::vector;
int
ssize_t
writen(const int fd,
const char *buf,
const size_t count)
{
size_t nleft;
ssize_t nwritten;
ssize_t nwritten = 0;
nleft = count;
while(nleft > 0)
@ -67,15 +67,15 @@ writen(const int fd,
return -1;
}
nleft -= nwritten;
buf += nwritten;
nleft -= (size_t)nwritten;
buf += (size_t)nwritten;
}
return count;
return nwritten;
}
static
int
ssize_t
copyfile_rw(const int fdin,
const int fdout,
const size_t count,
@ -83,8 +83,8 @@ copyfile_rw(const int fdin,
{
ssize_t nr;
ssize_t nw;
ssize_t bufsize;
size_t totalwritten;
size_t bufsize;
ssize_t totalwritten;
vector<char> buf;
bufsize = (blocksize * 16);
@ -93,7 +93,7 @@ copyfile_rw(const int fdin,
fs::lseek(fdin,0,SEEK_SET);
totalwritten = 0;
while(totalwritten < count)
while(totalwritten < (ssize_t)count)
{
nr = fs::read(fdin,&buf[0],bufsize);
if(nr == -1)
@ -103,29 +103,30 @@ copyfile_rw(const int fdin,
return -1;
}
nw = writen(fdout,&buf[0],nr);
nw = writen(fdout,&buf[0],(size_t)nr);
if(nw == -1)
return -1;
totalwritten += nw;
}
return count;
return totalwritten;
}
static
int
ssize_t
copydata(const int fdin,
const int fdout,
const size_t count,
const size_t blocksize)
{
int rv;
ssize_t rv;
off_t scount = (off_t)count;
fs::fadvise(fdin,0,count,POSIX_FADV_WILLNEED);
fs::fadvise(fdin,0,count,POSIX_FADV_SEQUENTIAL);
fs::fadvise(fdin,0,scount,POSIX_FADV_WILLNEED);
fs::fadvise(fdin,0,scount,POSIX_FADV_SEQUENTIAL);
fs::fallocate(fdout,0,0,count);
fs::fallocate(fdout,0,0,scount);
rv = fs::sendfile(fdin,fdout,count);
if((rv == -1) && ((errno == EINVAL) || (errno == ENOSYS)))
@ -153,18 +154,18 @@ ignorable_error(const int err)
namespace fs
{
int
ssize_t
clonefile(const int fdin,
const int fdout)
{
int rv;
ssize_t rv;
struct stat stin;
rv = fs::fstat(fdin,stin);
if(rv == -1)
return -1;
rv = ::copydata(fdin,fdout,stin.st_size,stin.st_blksize);
rv = ::copydata(fdin,fdout,(size_t)stin.st_size,(size_t)stin.st_blksize);
if(rv == -1)
return -1;
@ -191,11 +192,11 @@ namespace fs
return 0;
}
int
ssize_t
clonefile(const string &in,
const string &out)
{
int rv;
ssize_t rv;
int fdin;
int fdout;
int error;

6
src/fs_inode.hpp
View File

@ -34,7 +34,11 @@ namespace fs
void
recompute(struct stat &st)
{
uint64_t st_dev = st.st_dev; /* Mac OS has a 32-bit device ID */
/*
Some OSes have 32-bit device IDs, so box this up first.
This does also presume a 64-bit inode value.
*/
uint64_t st_dev = (uint64_t)st.st_dev;
st.st_ino |= (st_dev << 32);
}
}

2
src/fs_movefile.cpp
View File

@ -66,7 +66,7 @@ namespace fs
return -1;
fdin_st.st_size += additional_size;
rv = fs::mfs(basepaths,fdin_st.st_size,fdout_path);
rv = fs::mfs(basepaths,(uint64_t)fdin_st.st_size,fdout_path);
if(rv == -1)
return -1;

78
src/fs_xattr.cpp
View File

@ -63,19 +63,19 @@ using std::istringstream;
return ::fgetxattr(fd, name, value, size, 0, 0);
}
int
ssize_t
_lgetxattr(const char* path, const char* name, char* value, size_t size)
{
return ::getxattr(path, name, value, size, 0, XATTR_NOFOLLOW);
}
int
ssize_t
_fsetxattr(int fd, const char* name, const char* value, size_t size, int flags)
{
return ::fsetxattr(fd, name, value, size, 0, flags);
}
int
ssize_t
_lsetxattr(const char* path, const char* name, const char* value, size_t size, int flags)
{
return ::setxattr(path, name, value, size, 0, flags && XATTR_NOFOLLOW);
@ -94,7 +94,7 @@ namespace fs
{
namespace xattr
{
int
ssize_t
list(const int fd,
vector<char> &attrs)
{
@ -109,9 +109,9 @@ namespace fs
if(rv <= 0)
return rv;
attrs.resize(rv);
attrs.resize((size_t)rv);
rv = _flistxattr(fd,&attrs[0],rv);
rv = _flistxattr(fd,&attrs[0],(size_t)rv);
}
return rv;
@ -120,7 +120,7 @@ namespace fs
#endif
}
int
ssize_t
list(const string &path,
vector<char> &attrs)
{
@ -135,9 +135,9 @@ namespace fs
if(rv <= 0)
return rv;
attrs.resize(rv);
attrs.resize((size_t)rv);
rv = _llistxattr(path.c_str(),&attrs[0],rv);
rv = _llistxattr(path.c_str(),&attrs[0],(size_t)rv);
}
return rv;
@ -146,11 +146,11 @@ namespace fs
#endif
}
int
ssize_t
list(const int fd,
vector<string> &attrvector)
{
int rv;
ssize_t rv;
vector<char> attrs;
rv = list(fd,attrs);
@ -163,11 +163,11 @@ namespace fs
return rv;
}
int
ssize_t
list(const string &path,
vector<string> &attrvector)
{
int rv;
ssize_t rv;
vector<char> attrs;
rv = list(path,attrs);
@ -180,11 +180,11 @@ namespace fs
return rv;
}
int
ssize_t
list(const int fd,
string &attrstr)
{
int rv;
ssize_t rv;
vector<char> attrs;
rv = list(fd,attrs);
@ -194,11 +194,11 @@ namespace fs
return rv;
}
int
ssize_t
list(const string &path,
string &attrstr)
{
int rv;
ssize_t rv;
vector<char> attrs;
rv = list(path,attrs);
@ -208,7 +208,7 @@ namespace fs
return rv;
}
int
ssize_t
get(const int fd,
const string &attr,
vector<char> &value)
@ -224,9 +224,9 @@ namespace fs
if(rv <= 0)
return rv;
value.resize(rv);
value.resize((size_t)rv);
rv = _fgetxattr(fd,attr.c_str(),&value[0],rv);
rv = _fgetxattr(fd,attr.c_str(),&value[0],(size_t)rv);
}
return rv;
@ -235,7 +235,7 @@ namespace fs
#endif
}
int
ssize_t
get(const string &path,
const string &attr,
vector<char> &value)
@ -251,9 +251,9 @@ namespace fs
if(rv <= 0)
return rv;
value.resize(rv);
value.resize((size_t)rv);
rv = _lgetxattr(path.c_str(),attr.c_str(),&value[0],rv);
rv = _lgetxattr(path.c_str(),attr.c_str(),&value[0],(size_t)rv);
}
return rv;
@ -262,12 +262,12 @@ namespace fs
#endif
}
int
ssize_t
get(const int fd,
const string &attr,
string &value)
{
int rv;
ssize_t rv;
vector<char> tmpvalue;
rv = get(fd,attr,tmpvalue);
@ -277,12 +277,12 @@ namespace fs
return rv;
}
int
ssize_t
get(const string &path,
const string &attr,
string &value)
{
int rv;
ssize_t rv;
vector<char> tmpvalue;
rv = get(path,attr,tmpvalue);
@ -292,11 +292,11 @@ namespace fs
return rv;
}
int
ssize_t
get(const int fd,
map<string,string> &attrs)
{
int rv;
ssize_t rv;
string attrstr;
rv = list(fd,attrstr);
@ -320,11 +320,11 @@ namespace fs
return 0;
}
int
ssize_t
get(const string &path,
map<string,string> &attrs)
{
int rv;
ssize_t rv;
string attrstr;
rv = list(path,attrstr);
@ -348,7 +348,7 @@ namespace fs
return 0;
}
int
ssize_t
set(const int fd,
const string &key,
const string &value,
@ -365,7 +365,7 @@ namespace fs
#endif
}
int
ssize_t
set(const string &path,
const string &key,
const string &value,
@ -382,11 +382,11 @@ namespace fs
#endif
}
int
ssize_t
set(const int fd,
const map<string,string> &attrs)
{
int rv;
ssize_t rv;
for(map<string,string>::const_iterator
i = attrs.begin(), ei = attrs.end(); i != ei; ++i)
@ -414,11 +414,11 @@ namespace fs
return fs::close(fd);
}
int
ssize_t
copy(const int fdin,
const int fdout)
{
int rv;
ssize_t rv;
map<string,string> attrs;
rv = get(fdin,attrs);
@ -428,11 +428,11 @@ namespace fs
return set(fdout,attrs);
}
int
ssize_t
copy(const string &from,
const string &to)
{
int rv;
ssize_t rv;
map<string,string> attrs;
rv = get(from,attrs);

28
src/getxattr.cpp
View File

@ -39,13 +39,13 @@ using std::set;
using namespace mergerfs;
static
int
ssize_t
_lgetxattr(const string &path,
const char *attrname,
void *value,
const size_t size)
{
int rv;
ssize_t rv;
rv = fs::lgetxattr(path,attrname,value,size);
@ -153,7 +153,7 @@ _getxattr_pid(string &attrvalue)
}
static
int
ssize_t
_getxattr_controlfile(const Config &config,
const char *attrname,
char *buf,
@ -198,7 +198,7 @@ _getxattr_controlfile(const Config &config,
len = attrvalue.size();
if(count == 0)
return len;
return (ssize_t)len;
if(count < len)
return -ERANGE;
@ -209,7 +209,7 @@ _getxattr_controlfile(const Config &config,
}
static
int
ssize_t
_getxattr_from_string(char *destbuf,
const size_t destbufsize,
const string &src)
@ -217,18 +217,18 @@ _getxattr_from_string(char *destbuf,
const size_t srcbufsize = src.size();
if(destbufsize == 0)
return srcbufsize;
return (ssize_t)srcbufsize;
if(srcbufsize > destbufsize)
return -ERANGE;
memcpy(destbuf,src.data(),srcbufsize);
return srcbufsize;
return (ssize_t)srcbufsize;
}
static
int
ssize_t
_getxattr_user_mergerfs_allpaths(const vector<string> &srcmounts,
const char *fusepath,
char *buf,
@ -245,7 +245,7 @@ _getxattr_user_mergerfs_allpaths(const vector<string> &srcmounts,
}
static
int
ssize_t
_getxattr_user_mergerfs(const string &basepath,
const char *fusepath,
const string &fullpath,
@ -271,7 +271,7 @@ _getxattr_user_mergerfs(const string &basepath,
}
static
int
ssize_t
_getxattr(Policy::Func::Search searchFunc,
const vector<string> &srcmounts,
const size_t minfreespace,
@ -280,7 +280,7 @@ _getxattr(Policy::Func::Search searchFunc,
char *buf,
const size_t count)
{
int rv;
ssize_t rv;
string fullpath;
vector<const string*> basepaths;
@ -303,14 +303,14 @@ namespace mergerfs
namespace fuse
{
#if __APPLE__
int
ssize_t
getxattr(const char *fusepath,
const char *attrname,
char *buf,
size_t count,
uint32_t position)
#else
int
ssize_t
getxattr(const char *fusepath,
const char *attrname,
char *buf,
@ -331,7 +331,7 @@ namespace mergerfs
return _getxattr(config.getxattr,
config.srcmounts,
config.minfreespace,
(size_t)config.minfreespace,
fusepath,
attrname,
buf,

16
src/gidcache.cpp
View File

@ -66,8 +66,8 @@ gid_t_cache::lower_bound(gid_t_rec *begin,
gid_t_rec *end,
const uid_t uid)
{
int step;
int count;
long step;
long count;
gid_t_rec *iter;
count = std::distance(begin,end);
@ -106,15 +106,19 @@ gid_t_cache::cache(const uid_t uid,
rv = ::getpwuid_r(uid,&pwd,buf,sizeof(buf),&pwdrv);
if(pwdrv != NULL && rv == 0)
{
#if __APPLE__
// OSX: getgrouplist(const char *name, int basegid, int *groups, int *ngroups)
rec->size = 0;
::getgrouplist(pwd.pw_name,gid,NULL,&rec->size);
::getgrouplist(pwd.pw_name,(int)gid,NULL,&rec->size);
rec->size = std::min(MAXGIDS,rec->size);
#if __APPLE__
// OSX: getgrouplist(const char *name, int basegid, int *groups, int *ngroups)
rv = ::getgrouplist(pwd.pw_name,gid,(int*)rec->gids,&rec->size);
rv = ::getgrouplist(pwd.pw_name,(int)gid,(int*)rec->gids,&rec->size);
#else
// Linux: getgrouplist(const char *name, gid_t group, gid_t *groups int *ngroups)
rec->size = 0;
::getgrouplist(pwd.pw_name,gid,NULL,&rec->size);
rec->size = std::min(MAXGIDS,rec->size);
rv = ::getgrouplist(pwd.pw_name,gid,rec->gids,&rec->size);
#endif

18
src/ioctl.cpp
View File

@ -37,9 +37,9 @@ using namespace mergerfs;
static
int
_ioctl(const int fd,
const int cmd,
void *data)
_ioctl(const int fd,
const unsigned long cmd,
void *data)
{
int rv;
@ -60,7 +60,7 @@ _ioctl_dir_base(Policy::Func::Search searchFunc,
const vector<string> &srcmounts,
const uint64_t minfreespace,
const char *fusepath,
const int cmd,
const unsigned long cmd,
void *data)
{
int fd;
@ -88,9 +88,9 @@ _ioctl_dir_base(Policy::Func::Search searchFunc,
static
int
_ioctl_dir(const char *fusepath,
const int cmd,
void *data)
_ioctl_dir(const char *fusepath,
const unsigned long cmd,
void *data)
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::get(fc);
@ -121,13 +121,13 @@ namespace mergerfs
#ifdef FUSE_IOCTL_DIR
if(flags & FUSE_IOCTL_DIR)
return _ioctl_dir(fusepath,
cmd,
(unsigned long)cmd,
data);
#endif
FileInfo *fi = reinterpret_cast<FileInfo*>(ffi->fh);
return _ioctl(fi->fd,
cmd,
(unsigned long)cmd,
data);
}
}

12
src/listxattr.cpp
View File

@ -36,7 +36,7 @@ using std::vector;
using namespace mergerfs;
static
int
ssize_t
_listxattr_controlfile(char *list,
const size_t size)
{
@ -59,18 +59,18 @@ _listxattr_controlfile(char *list,
xattrs += ("user.mergerfs.func." + (std::string)*FuseFunc::fusefuncs[i] + '\0');
if(size == 0)
return xattrs.size();
return (ssize_t)xattrs.size();
if(size < xattrs.size())
return -ERANGE;
memcpy(list,xattrs.c_str(),xattrs.size());
return xattrs.size();
return (ssize_t)xattrs.size();
}
static
int
ssize_t
_listxattr(Policy::Func::Search searchFunc,
const vector<string> &srcmounts,
const uint64_t minfreespace,
@ -78,7 +78,7 @@ _listxattr(Policy::Func::Search searchFunc,
char *list,
const size_t size)
{
int rv;
ssize_t rv;
string fullpath;
vector<const string*> basepaths;
@ -97,7 +97,7 @@ namespace mergerfs
{
namespace fuse
{
int
ssize_t
listxattr(const char *fusepath,
char *list,
size_t size)

2
src/mergerfs.cpp
View File

@ -142,7 +142,7 @@ namespace local
{
const int prio = -10;
std::srand(time(NULL));
std::srand((unsigned int)time(NULL));
mergerfs::resources::reset_umask();
mergerfs::resources::maxout_rlimit_nofile();
mergerfs::resources::maxout_rlimit_fsize();

2
src/num.cpp
View File

@ -28,7 +28,7 @@ namespace num
char *endptr;
uint64_t tmp;
tmp = strtoll(str.c_str(),&endptr,10);
tmp = strtoul(str.c_str(),&endptr,10);
switch(*endptr)
{
case 'k':

16
src/read.cpp
View File

@ -26,32 +26,30 @@
static
inline
int
ssize_t
_read(const int fd,
void *buf,
const size_t count,
const off_t offset)
{
int rv;
ssize_t rv;
rv = fs::pread(fd,buf,count,offset);
if(rv == -1)
return -errno;
if(rv == 0)
return 0;
return count;
return rv;
}
static
inline
int
ssize_t
_read_direct_io(const int fd,
void *buf,
const size_t count,
const off_t offset)
{
int rv;
ssize_t rv;
rv = fs::pread(fd,buf,count,offset);
if(rv == -1)
@ -64,7 +62,7 @@ namespace mergerfs
{
namespace fuse
{
int
ssize_t
read(const char *fusepath,
char *buf,
size_t count,
@ -76,7 +74,7 @@ namespace mergerfs
return _read(fi->fd,buf,count,offset);
}
int
ssize_t
read_direct_io(const char *fusepath,
char *buf,
size_t count,

6
src/readdir.cpp
View File

@ -50,7 +50,7 @@ _readdir(const vector<string> &srcmounts,
void *buf,
const fuse_fill_dir_t filler)
{
StrSet names;
StrSet names = StrSet();
string basepath;
struct stat st = {0};
@ -69,7 +69,7 @@ _readdir(const vector<string> &srcmounts,
dirfd = fs::dirfd(dh);
st.st_dev = fs::devid(dirfd);
if(st.st_dev == (dev_t)-1)
st.st_dev = i;
st.st_dev = (dev_t)i;
rv = 0;
for(struct dirent *de = fs::readdir(dh); de && !rv; de = fs::readdir(dh))
@ -79,7 +79,7 @@ _readdir(const vector<string> &srcmounts,
continue;
st.st_ino = de->d_ino;
st.st_mode = DTTOIF(de->d_type);
st.st_mode = (mode_t)DTTOIF(de->d_type);
fs::inode::recompute(st);

10
src/readlink.cpp
View File

@ -28,13 +28,13 @@ using std::vector;
using mergerfs::Policy;
static
int
ssize_t
_readlink_core(const string *basepath,
const char *fusepath,
char *buf,
const size_t size)
{
int rv;
ssize_t rv;
string fullpath;
fs::path::make(basepath,fusepath,fullpath);
@ -49,7 +49,7 @@ _readlink_core(const string *basepath,
}
static
int
ssize_t
_readlink(Policy::Func::Search searchFunc,
const vector<string> &srcmounts,
const uint64_t minfreespace,
@ -57,7 +57,7 @@ _readlink(Policy::Func::Search searchFunc,
char *buf,
const size_t size)
{
int rv;
ssize_t rv;
vector<const string*> basepaths;
rv = searchFunc(srcmounts,fusepath,minfreespace,basepaths);
@ -71,7 +71,7 @@ namespace mergerfs
{
namespace fuse
{
int
ssize_t
readlink(const char *fusepath,
char *buf,
size_t size)

6
src/ugid_rwlock.hpp
View File

@ -48,13 +48,13 @@ namespace mergerfs
if(currentuid != 0)
{
::seteuid(0);
::setegid(0);
(void)::seteuid(0);
(void)::setegid(0);
}
if(newgid)
{
::setegid(newgid);
(void)::setegid(newgid);
initgroups(newuid,newgid);
}

24
src/write.cpp
View File

@ -26,7 +26,7 @@
using namespace mergerfs;
typedef int (*WriteFunc)(const int,const void*,const size_t,const off_t);
typedef ssize_t (*WriteFunc)(const int,const void*,const size_t,const off_t);
static
bool
@ -38,32 +38,30 @@ _out_of_space(const int error)
static
inline
int
ssize_t
_write(const int fd,
const void *buf,
const size_t count,
const off_t offset)
{
int rv;
ssize_t rv;
rv = fs::pwrite(fd,buf,count,offset);
if(rv == -1)
return -errno;
if(rv == 0)
return 0;
return count;
return rv;
}
static
inline
int
ssize_t
_write_direct_io(const int fd,
const void *buf,
const size_t count,
const off_t offset)
{
int rv;
ssize_t rv;
rv = fs::pwrite(fd,buf,count,offset);
if(rv == -1)
@ -81,7 +79,7 @@ namespace mergerfs
{
static
inline
int
ssize_t
write(WriteFunc func,
const char *fusepath,
const char *buf,
@ -89,11 +87,11 @@ namespace mergerfs
const off_t offset,
fuse_file_info *ffi)
{
int rv;
ssize_t rv;
FileInfo* fi = reinterpret_cast<FileInfo*>(ffi->fh);
rv = func(fi->fd,buf,count,offset);
if(_out_of_space(-rv))
if(_out_of_space((int)-rv))
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::get(fc);
@ -114,7 +112,7 @@ namespace mergerfs
return rv;
}
int
ssize_t
write(const char *fusepath,
const char *buf,
size_t count,
@ -124,7 +122,7 @@ namespace mergerfs
return write(_write,fusepath,buf,count,offset,ffi);
}
int
ssize_t
write_direct_io(const char *fusepath,
const char *buf,
size_t count,

8
src/write_buf.cpp
View File

@ -46,7 +46,7 @@ _out_of_space(const int error)
}
static
int
ssize_t
_write_buf(const int fd,
fuse_bufvec &src,
const off_t offset)
@ -67,17 +67,17 @@ namespace mergerfs
{
namespace fuse
{
int
ssize_t
write_buf(const char *fusepath,
fuse_bufvec *src,
off_t offset,
fuse_file_info *ffi)
{
int rv;
ssize_t rv;
FileInfo *fi = reinterpret_cast<FileInfo*>(ffi->fh);
rv = _write_buf(fi->fd,*src,offset);
if(_out_of_space(-rv))
if(_out_of_space((int)-rv))
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::get(fc);

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