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[v2,4/4] Revert "IDE: Do not flush empty CDROM drives"

Message ID 20180213142102.14450-5-stefanha@redhat.com
State New
Headers show
Series block: fix blk_aio_*() segfault when blk->root == NULL | expand

Commit Message

Stefan Hajnoczi Feb. 13, 2018, 2:21 p.m. UTC 
This reverts commit 4da97120d51a4383aa96d741a2b837f8c4bbcd0b.

blk_aio_flush() now handles the blk->root == NULL case, so we no longer
need this workaround.

Cc: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 hw/ide/core.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)
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Patch

diff --git a/hw/ide/core.c b/hw/ide/core.c
index 257b429381..139c843514 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1087,15 +1087,7 @@  static void ide_flush_cache(IDEState *s)
     s->status |= BUSY_STAT;
     ide_set_retry(s);
     block_acct_start(blk_get_stats(s->blk), &s->acct, 0, BLOCK_ACCT_FLUSH);
-
-    if (blk_bs(s->blk)) {
-        s->pio_aiocb = blk_aio_flush(s->blk, ide_flush_cb, s);
-    } else {
-        /* XXX blk_aio_flush() crashes when blk_bs(blk) is NULL, remove this
-         * temporary workaround when blk_aio_*() functions handle NULL blk_bs.
-         */
-        ide_flush_cb(s, 0);
-    }
+    s->pio_aiocb = blk_aio_flush(s->blk, ide_flush_cb, s);
 }
 
 static void ide_cfata_metadata_inquiry(IDEState *s)