Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches for 2.11.0-rc3

# gpg: Signature made Wed 29 Nov 2017 15:25:13 GMT
# gpg:                using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  block/nfs: fix nfs_client_open for filesize greater than 1TB
  blockjob: reimplement block_job_sleep_ns to allow cancellation
  blockjob: introduce block_job_do_yield
  blockjob: remove clock argument from block_job_sleep_ns
  block: Expect graph changes in bdrv_parent_drained_begin/end
  blockjob: Remove the job from the list earlier in block_job_unref()
  QAPI & interop: Clarify events emitted by 'block-job-cancel'
  qemu-options: Mention locking option of file driver
  docs: Add image locking subsection
  iotests: fix 075 and 078

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/block/blockjob.h b/include/block/blockjob.h
index 67c0968fa5..00403d9482 100644
--- a/include/block/blockjob.h
+++ b/include/block/blockjob.h
@@ -77,7 +77,7 @@ typedef struct BlockJob {
     /**
      * Set to false by the job while the coroutine has yielded and may be
      * re-entered by block_job_enter().  There may still be I/O or event loop
-     * activity pending.
+     * activity pending.  Accessed under block_job_mutex (in blockjob.c).
      */
     bool busy;
 
@@ -135,6 +135,12 @@ typedef struct BlockJob {
      */
     int ret;
 
+    /**
+     * Timer that is used by @block_job_sleep_ns. Accessed under
+     * block_job_mutex (in blockjob.c).
+     */
+    QEMUTimer sleep_timer;
+
     /** Non-NULL if this job is part of a transaction */
     BlockJobTxn *txn;
     QLIST_ENTRY(BlockJob) txn_list;