Author: asomers Date: Mon Nov 27 21:10:50 2017 New Revision: 326290 URL: https://svnweb.freebsd.org/changeset/base/326290
Log: diskinfo(8): Delete dead code in slog test Reported by: Coverity CID: 1377556 Reviewed by: mav MFC after: 3 weeks Sponsored by: Spectra Logic Corp Differential Revision: https://reviews.freebsd.org/D13275 Modified: head/usr.sbin/diskinfo/diskinfo.c Modified: head/usr.sbin/diskinfo/diskinfo.c ============================================================================== --- head/usr.sbin/diskinfo/diskinfo.c Mon Nov 27 20:01:58 2017 (r326289) +++ head/usr.sbin/diskinfo/diskinfo.c Mon Nov 27 21:10:50 2017 (r326290) @@ -646,22 +646,22 @@ parwrite(int fd, size_t size, off_t off) { struct aiocb aios[MAXIOS]; off_t o; - size_t s; int n, error; struct aiocb *aiop; - for (n = 0, o = 0; size > MAXIO; n++, size -= s, o += s) { - s = (size >= MAXIO) ? MAXIO : size; + // if size > MAXIO, use AIO to write n - 1 pieces in parallel + for (n = 0, o = 0; size > MAXIO; n++, size -= MAXIO, o += MAXIO) { aiop = &aios[n]; bzero(aiop, sizeof(*aiop)); aiop->aio_buf = &buf[o]; aiop->aio_fildes = fd; aiop->aio_offset = off + o; - aiop->aio_nbytes = s; + aiop->aio_nbytes = MAXIO; error = aio_write(aiop); if (error != 0) err(EX_IOERR, "AIO write submit error"); } + // Use synchronous writes for the runt of size <= MAXIO error = pwrite(fd, &buf[o], size, off + o); if (error < 0) err(EX_IOERR, "Sync write error"); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
