rt/mergerfs
1
0
Fork 0
mirror of https://github.com/trapexit/mergerfs.git synced 2026-10-26 19:01:56 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix read/write behavior and return value depending on direct_io

Browse source 
Also add parallel direct write option for 6.2+ kernels.
This commit is contained in:
Antonio SJ Musumeci 2023-06-18 00:31:59 -05:00
parent 82430e1079
commit 6a14a10e6c
19 changed files with 531 additions and 158 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/fuse_open.cpp
View file

@ -165,32 +165,37 @@ namespace l
}
break;
}
if(cfg_->parallel_direct_writes == true)
ffi_->parallel_direct_writes = ffi_->direct_io;
}
static
int
open_core(const std::string &basepath_,
const char *fusepath_,
const int flags_,
fuse_file_info_t *ffi_,
const bool link_cow_,
const NFSOpenHack nfsopenhack_,
uint64_t *fh_)
const NFSOpenHack nfsopenhack_)
{
int fd;
FileInfo *fi;
std::string fullpath;
fullpath = fs::path::make(basepath_,fusepath_);
if(link_cow_ && fs::cow::is_eligible(fullpath.c_str(),flags_))
if(link_cow_ && fs::cow::is_eligible(fullpath.c_str(),ffi_->flags))
fs::cow::break_link(fullpath.c_str());
fd = fs::open(fullpath,flags_);
fd = fs::open(fullpath,ffi_->flags);
if((fd == -1) && (errno == EACCES))
fd = l::nfsopenhack(fullpath,flags_,nfsopenhack_);
fd = l::nfsopenhack(fullpath,ffi_->flags,nfsopenhack_);
if(fd == -1)
return -errno;
*fh_ = reinterpret_cast<uint64_t>(new FileInfo(fd,fusepath_));
fi = new FileInfo(fd,fusepath_,ffi_->direct_io);
ffi_->fh = reinterpret_cast<uint64_t>(fi);
return 0;
}
@ -200,10 +205,9 @@ namespace l
open(const Policy::Search &searchFunc_,
const Branches &branches_,
const char *fusepath_,
const int flags_,
fuse_file_info_t *ffi_,
const bool link_cow_,
const NFSOpenHack nfsopenhack_,
uint64_t *fh_)
const NFSOpenHack nfsopenhack_)
{
int rv;
StrVec basepaths;
@ -212,7 +216,7 @@ namespace l
if(rv == -1)
return -errno;
return l::open_core(basepaths[0],fusepath_,flags_,link_cow_,nfsopenhack_,fh_);
return l::open_core(basepaths[0],fusepath_,ffi_,link_cow_,nfsopenhack_);
}
}
@ -222,6 +226,7 @@ namespace FUSE
open(const char *fusepath_,
fuse_file_info_t *ffi_)
{
int rv;
Config::Read cfg;
const fuse_context *fc = fuse_get_context();
const ugid::Set ugid(fc->uid,fc->gid);
@ -231,12 +236,13 @@ namespace FUSE
if(cfg->writeback_cache)
l::tweak_flags_writeback_cache(&ffi_->flags);
return l::open(cfg->func.open.policy,
cfg->branches,
fusepath_,
ffi_->flags,
cfg->link_cow,
cfg->nfsopenhack,
&ffi_->fh);
rv = l::open(cfg->func.open.policy,
cfg->branches,
fusepath_,
ffi_,
cfg->link_cow,
cfg->nfsopenhack);
return rv;
}
}