direct-io.hg

changeset 15026:8226c26cff40

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[qemu] Sync data to disk if write cache is disabled.

Signed-off-by: Christian Limpach <Christian.Limpach@xensource.com>
author Christian Limpach <Christian.Limpach@xensource.com>
date Thu May 10 13:57:13 2007 +0100 (2007-05-10)
parents 305e28c0ef9b
children 7da6d9c374be
files tools/ioemu/hw/ide.c
line diff
     1.1 --- a/tools/ioemu/hw/ide.c	Wed May 09 22:50:26 2007 +0100
     1.2 +++ b/tools/ioemu/hw/ide.c	Thu May 10 13:57:13 2007 +0100
     1.3 @@ -968,6 +968,9 @@ static void ide_write_dma_cb(void *opaqu
     1.4  
     1.5      /* end of transfer ? */
     1.6      if (s->nsector == 0) {
     1.7 +        /* Ensure the data hit disk before telling the guest OS so. */
     1.8 +        if (!s->write_cache)
     1.9 +            bdrv_flush(s->bs);
    1.10          s->status = READY_STAT | SEEK_STAT;
    1.11          ide_set_irq(s);
    1.12      eot: