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HFI1: use local write if private data is present; fix lenght alignment

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This commit is contained in:
Balazs Gerofi
2017-08-17 11:40:09 +09:00
parent 39deff4e10
commit 60f6862db2
2 changed files with 7 additions and 4 deletions
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9
kernel/syscall.c
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@ -3096,9 +3096,12 @@ SYSCALL_DECLARE(writev)
struct iovec *iovec = (struct iovec *)ihk_mc_syscall_arg1(ctx);
int iovcnt = ihk_mc_syscall_arg2(ctx);
void *private_data = proc->fd_priv_table[fd];
//if (private_data) hfi1_aio_write(private_data, iovec, iovcnt);
//return 1;
return syscall_generic_forwarding(__NR_writev, ctx);
if (private_data) {
return hfi1_aio_write(private_data, iovec, iovcnt);
}
else {
return syscall_generic_forwarding(__NR_writev, ctx);
}
}
SYSCALL_DECLARE(read)

2
kernel/user_sdma.c
View File

@ -1301,7 +1301,7 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
WARN_ON(iovec->iov.iov_len < iovec->offset);
unsigned len = (unsigned)iovec->iov.iov_len - iovec->offset;
len = min(((unsigned long)virt & PAGE_MASK)
+ PAGE_SIZE - (unsigned long)virt, PAGE_SIZE);
+ PAGE_SIZE - (unsigned long)virt, len);
len = min(req->info.fragsize, len);
len = min(txreq->tlen, len);
len = min((datalen - queued), len);