debian/patches/pve/0055-enable-cache-unsafe-for-vma-extract_content-and-qmp_.patch

   1 From 6775cc94517696abe12bbae601395b7a16e06ba0 Mon Sep 17 00:00:00 2001
   2 From: Wolfgang Bumiller <w.bumiller@proxmox.com>
   3 Date: Mon, 1 Aug 2016 10:52:46 +0200
   4 Subject: [PATCH 55/55] enable cache=unsafe for vma extract_content and
   5  qmp_savevm_start
   6
   7 We don't send any flush here, so we need to open with cache=unsafe.
   8
   9 Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
  10 For-patch: BDRV_O_CACHE_WB was removed
  11 ---
  12  savevm-async.c | 2 +-
  13  vma.c          | 2 +-
  14  2 files changed, 2 insertions(+), 2 deletions(-)
  15
  16 diff --git a/savevm-async.c b/savevm-async.c
  17 index 2c41b17..6a2266c 100644
  18 --- a/savevm-async.c
  19 +++ b/savevm-async.c
  20 @@ -253,7 +253,7 @@ void qmp_savevm_start(bool has_statefile, const char *statefile, Error **errp)
  21  {
  22      Error *local_err = NULL;
  23
  24 -    int bdrv_oflags = BDRV_O_RDWR;
  25 +    int bdrv_oflags = BDRV_O_RDWR | BDRV_O_NO_FLUSH;
  26      int ret;
  27
  28      if (snap_state.state != SAVE_STATE_DONE) {
  29 diff --git a/vma.c b/vma.c
  30 index 0716a45..4d2d5ad 100644
  31 --- a/vma.c
  32 +++ b/vma.c
  33 @@ -280,7 +280,7 @@ static int extract_content(int argc, char **argv)
  34          } else if (di) {
  35              char *devfn = NULL;
  36              const char *format = NULL;
  37 -            int flags = BDRV_O_RDWR;
  38 +            int flags = BDRV_O_RDWR | BDRV_O_NO_FLUSH;
  39              bool write_zero = true;
  40
  41              if (readmap) {
  42 --
  43 2.1.4
  44