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authorPeter Maydell <peter.maydell@linaro.org>2016-03-30 13:43:04 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-03-30 13:43:05 +0100
commitb9c27e7ae6fb1387eafe858d8378ff14cd1c5b89 (patch)
tree5a66308f776272b19396a47005f5e6438047c8bc /qemu-nbd.c
parent8850dcbfd7664fab86ab49d9c27b6fa700d71618 (diff)
parentf4e732a0a773c4e44c2c183a5d63cd850ffb57d1 (diff)
downloadfocaccia-qemu-b9c27e7ae6fb1387eafe858d8378ff14cd1c5b89.tar.gz
focaccia-qemu-b9c27e7ae6fb1387eafe858d8378ff14cd1c5b89.zip
Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches

# gpg: Signature made Wed 30 Mar 2016 11:57:54 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (48 commits)
  iotests: Test qemu-img convert -S 0 behavior
  block/null-{co,aio}: Implement get_block_status()
  block/null-{co,aio}: Allow reading zeroes
  qemu-img: Fix preallocation with -S 0 for convert
  block: Remove bdrv_(set_)enable_write_cache()
  block: Remove BDRV_O_CACHE_WB
  block: Remove bdrv_parse_cache_flags()
  qemu-io: Use bdrv_parse_cache_mode() in reopen_f()
  block: Use bdrv_parse_cache_mode() in drive_init()
  raw: Support BDRV_REQ_FUA
  nbd: Support BDRV_REQ_FUA
  iscsi: Support BDRV_REQ_FUA
  block: Introduce bdrv_co_writev_flags()
  block/qapi: Use blk_enable_write_cache()
  block: Move enable_write_cache to BB level
  block: Handle flush error in bdrv_pwrite_sync()
  block: Always set writeback mode in blk_new_open()
  block: blockdev_init(): Call blk_set_enable_write_cache() explicitly
  xen_disk: Call blk_set_enable_write_cache() explicitly
  qemu-img: Call blk_set_enable_write_cache() explicitly
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'qemu-nbd.c')
-rw-r--r--qemu-nbd.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c
index 9bb9cb7f61..ca4a724d25 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -509,6 +509,7 @@ int main(int argc, char **argv)
     const char *export_name = NULL;
     const char *tlscredsid = NULL;
     bool imageOpts = false;
+    bool writethrough = true;
 
     /* The client thread uses SIGTERM to interrupt the server.  A signal
      * handler ensures that "qemu-nbd -v -c" exits with a nice status code.
@@ -535,7 +536,7 @@ int main(int argc, char **argv)
                 exit(EXIT_FAILURE);
             }
             seen_cache = true;
-            if (bdrv_parse_cache_flags(optarg, &flags) == -1) {
+            if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) == -1) {
                 error_report("Invalid cache mode `%s'", optarg);
                 exit(EXIT_FAILURE);
             }
@@ -849,6 +850,8 @@ int main(int argc, char **argv)
     }
     bs = blk_bs(blk);
 
+    blk_set_enable_write_cache(blk, !writethrough);
+
     if (sn_opts) {
         ret = bdrv_snapshot_load_tmp(bs,
                                      qemu_opt_get(sn_opts, SNAPSHOT_OPT_ID),