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

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Block layer patches

# gpg: Signature made Mon 05 Mar 2018 17:45:51 GMT
# gpg:                using RSA key 7F09B272C88F2FD6
# 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: (38 commits)
  block: Fix NULL dereference on empty drive error
  qcow2: Replace align_offset() with ROUND_UP()
  block/ssh: Add basic .bdrv_truncate()
  block/ssh: Make ssh_grow_file() blocking
  block/ssh: Pull ssh_grow_file() from ssh_create()
  qemu-img: Make resize error message more general
  qcow2: make qcow2_co_create2() a coroutine_fn
  block: rename .bdrv_create() to .bdrv_co_create_opts()
  Revert "IDE: Do not flush empty CDROM drives"
  block: test blk_aio_flush() with blk->root == NULL
  block: add BlockBackend->in_flight counter
  block: extract AIO_WAIT_WHILE() from BlockDriverState
  aio: rename aio_context_in_iothread() to in_aio_context_home_thread()
  docs: document how to use the l2-cache-entry-size parameter
  specs/qcow2: Fix documentation of the compressed cluster descriptor
  iotest 033: add misaligned write-zeroes test via truncate
  block: fix write with zero flag set and iovector provided
  block: Drop unused .bdrv_co_get_block_status()
  vvfat: Switch to .bdrv_co_block_status()
  vpc: Switch to .bdrv_co_block_status()
  ...

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

# Conflicts:
#	include/block/block.h
This commit is contained in:
Peter Maydell
2018-03-06 11:20:44 +00:00
parent e1ee9ee139 bfe1a14c18
commit 58e2e17dba
48 changed files with 983 additions and 613 deletions
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11
block.c
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@@ -418,7 +418,7 @@ static void coroutine_fn bdrv_create_co_entry(void *opaque)
CreateCo *cco = opaque;
assert(cco->drv);
ret = cco->drv->bdrv_create(cco->filename, cco->opts, &local_err);
ret = cco->drv->bdrv_co_create_opts(cco->filename, cco->opts, &local_err);
error_propagate(&cco->err, local_err);
cco->ret = ret;
}
@@ -437,7 +437,7 @@ int bdrv_create(BlockDriver *drv, const char* filename,
.err = NULL,
};
if (!drv->bdrv_create) {
if (!drv->bdrv_co_create_opts) {
error_setg(errp, "Driver '%s' does not support image creation", drv->format_name);
ret = -ENOTSUP;
goto out;
@@ -4711,7 +4711,12 @@ out:
AioContext *bdrv_get_aio_context(BlockDriverState *bs)
{
return bs->aio_context;
return bs ? bs->aio_context : qemu_get_aio_context();
}
AioWait *bdrv_get_aio_wait(BlockDriverState *bs)
{
return bs ? &bs->wait : NULL;
}
void bdrv_coroutine_enter(BlockDriverState *bs, Coroutine *co)