From: Emanuele Giuseppe Esposito <eesposit@redhat.com>
To: qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <fam@euphon.net>,
Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
Emanuele Giuseppe Esposito <eesposit@redhat.com>,
qemu-devel@nongnu.org, Hanna Reitz <hreitz@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>, John Snow <jsnow@redhat.com>
Subject: [PATCH 01/12] introduce BDRV_POLL_WHILE_UNLOCKED
Date: Tue, 18 Jan 2022 11:27:27 -0500 [thread overview]
Message-ID: <20220118162738.1366281-2-eesposit@redhat.com> (raw)
In-Reply-To: <20220118162738.1366281-1-eesposit@redhat.com>
Same as BDRV_POLL_WHILE, but uses AIO_WAIT_WHILE_UNLOCKED.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
include/block/block-global-state.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h
index 419fe8427f..7ad9496f56 100644
--- a/include/block/block-global-state.h
+++ b/include/block/block-global-state.h
@@ -158,6 +158,11 @@ void bdrv_drain_all(void);
AIO_WAIT_WHILE(bdrv_get_aio_context(bs_), \
cond); })
+#define BDRV_POLL_WHILE_UNLOCKED(bs, cond) ({ \
+ BlockDriverState *bs_ = (bs); \
+ AIO_WAIT_WHILE_UNLOCKED(bdrv_get_aio_context(bs_), \
+ cond); })
+
int bdrv_has_zero_init_1(BlockDriverState *bs);
int bdrv_has_zero_init(BlockDriverState *bs);
int bdrv_can_set_read_only(BlockDriverState *bs, bool read_only,
--
2.31.1
next prev parent reply other threads:[~2022-01-18 16:53 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-18 16:27 [PATCH 00/12] Removal of Aiocontext lock through drains: protect bdrv_replace_child_noperm Emanuele Giuseppe Esposito
2022-01-18 16:27 ` Emanuele Giuseppe Esposito [this message]
2022-01-26 10:49 ` [PATCH 01/12] introduce BDRV_POLL_WHILE_UNLOCKED Stefan Hajnoczi
2022-02-03 13:57 ` Emanuele Giuseppe Esposito
2022-02-04 12:13 ` Paolo Bonzini
2022-01-18 16:27 ` [PATCH 02/12] block/io.c: make bdrv_do_drained_begin_quiesce static and introduce bdrv_drained_begin_no_poll Emanuele Giuseppe Esposito
2022-01-19 9:11 ` Paolo Bonzini
2022-01-18 16:27 ` [PATCH 03/12] block.c: bdrv_replace_child_noperm: first remove the child, and then call ->detach() Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 04/12] block.c: bdrv_replace_child_noperm: first call ->attach(), and then add child Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 05/12] test-bdrv-drain.c: adapt test to the coming subtree drains Emanuele Giuseppe Esposito
2022-01-19 9:18 ` Paolo Bonzini
2022-02-03 11:41 ` Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 06/12] test-bdrv-drain.c: remove test_detach_by_parent_cb() Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 07/12] block/io.c: introduce bdrv_subtree_drained_{begin/end}_unlocked Emanuele Giuseppe Esposito
2022-01-19 9:52 ` Paolo Bonzini
2022-01-26 11:04 ` Stefan Hajnoczi
2022-01-18 16:27 ` [PATCH 08/12] reopen: add a transaction to drain_end nodes picked in bdrv_reopen_parse_file_or_backing Emanuele Giuseppe Esposito
2022-01-19 9:33 ` Paolo Bonzini
2022-01-26 11:16 ` Stefan Hajnoczi
2022-01-18 16:27 ` [PATCH 09/12] jobs: ensure sleep in job_sleep_ns is fully performed Emanuele Giuseppe Esposito
2022-01-26 11:21 ` Stefan Hajnoczi
2022-02-03 14:21 ` Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 10/12] block.c: add subtree_drains where needed Emanuele Giuseppe Esposito
2022-01-19 9:47 ` Paolo Bonzini
2022-02-03 13:13 ` Emanuele Giuseppe Esposito
2022-02-01 14:47 ` Vladimir Sementsov-Ogievskiy
2022-02-02 15:37 ` Emanuele Giuseppe Esposito
2022-02-02 17:38 ` Paolo Bonzini
2022-02-03 10:09 ` Emanuele Giuseppe Esposito
2022-02-04 9:49 ` Vladimir Sementsov-Ogievskiy
2022-02-04 13:30 ` Emanuele Giuseppe Esposito
2022-02-04 14:03 ` Vladimir Sementsov-Ogievskiy
2022-01-18 16:27 ` [PATCH 11/12] block/io.c: fully enable assert_bdrv_graph_writable Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 12/12] block.c: additional assert qemu in main tread Emanuele Giuseppe Esposito
2022-01-19 9:51 ` [PATCH 00/12] Removal of Aiocontext lock through drains: protect bdrv_replace_child_noperm Paolo Bonzini
2022-01-26 11:29 ` Stefan Hajnoczi
2022-01-27 13:46 ` Paolo Bonzini
2022-01-28 12:20 ` Emanuele Giuseppe Esposito
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