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Code Issues Releases Wiki Activity

ircd::fs: Create iov on the stack rather than with tls.

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This commit is contained in:
Jason Volk 2018-12-21 10:28:51 -08:00
parent 67e6d363db
commit 152060da36
1 changed files with 6 additions and 4 deletions
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10
ircd/fs.cc
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@ -685,13 +685,14 @@ ircd::fs::read(const fd &fd,
const read_opts &opts_)
{
size_t ret(0);
read_opts opts(opts_); do
read_opts opts(opts_);
struct ::iovec iovbuf[bufs.size()]; do
{
assert(opts.offset >= opts_.offset);
const size_t off(opts.offset - opts_.offset);
assert(off <= buffers::size(bufs));
assert(ret <= buffers::size(bufs));
const auto iov(make_iov(bufs, ret));
const auto iov(make_iov({iovbuf, bufs.size()}, bufs, ret));
ret += read(fd, iov, opts);
if(!opts_.all)
break;
@ -939,9 +940,10 @@ ircd::fs::write(const fd &fd,
const write_opts &opts_)
{
write_opts opts(opts_);
size_t off(opts.offset - opts_.offset); do
size_t off(opts.offset - opts_.offset);
struct ::iovec iovbuf[bufs.size()]; do
{
const auto iov(make_iov(bufs, off));
const auto iov(make_iov({iovbuf, bufs.size()}, bufs, off));
opts.offset += write(fd, iov, opts);
assert(opts.offset >= opts_.offset);
off = opts.offset - opts_.offset;