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GET /api/patches/1317146/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 1317146,
    "url": "http://patchwork.ozlabs.org/api/patches/1317146/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20200625184838.28172-15-philmd@redhat.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20200625184838.28172-15-philmd@redhat.com>",
    "list_archive_url": null,
    "date": "2020-06-25T18:48:35",
    "name": "[14/17] block/nvme: Replace BDRV_POLL_WHILE by AIO_WAIT_WHILE",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "af5af247ca4f44da0dbaae6cde0bb2374f76a1d5",
    "submitter": {
        "id": 74995,
        "url": "http://patchwork.ozlabs.org/api/people/74995/?format=api",
        "name": "Philippe Mathieu-Daudé",
        "email": "philmd@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20200625184838.28172-15-philmd@redhat.com/mbox/",
    "series": [
        {
            "id": 185846,
            "url": "http://patchwork.ozlabs.org/api/series/185846/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=185846",
            "date": "2020-06-25T18:48:21",
            "name": "block/nvme: Various cleanups required to use multiple queues",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/185846/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/1317146/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/1317146/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@redhat.com>",
        "To": "qemu-devel@nongnu.org,\n\tStefan Hajnoczi <stefanha@redhat.com>",
        "Subject": "[PATCH 14/17] block/nvme: Replace BDRV_POLL_WHILE by AIO_WAIT_WHILE",
        "Date": "Thu, 25 Jun 2020 20:48:35 +0200",
        "Message-Id": "<20200625184838.28172-15-philmd@redhat.com>",
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        "In-Reply-To": "<20200625184838.28172-1-philmd@redhat.com>",
        "References": "<20200625184838.28172-1-philmd@redhat.com>",
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        "X-detected-operating-system": "by eggs.gnu.org: First seen = 2020/06/25 02:30:11",
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        "Cc": "Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,\n qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>,\n Maxim Levitsky <mlevitsk@redhat.com>,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@redhat.com>",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "\"Qemu-devel\"\n <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"
    },
    "content": "BDRV_POLL_WHILE() is defined as:\n\n  #define BDRV_POLL_WHILE(bs, cond) ({          \\\n      BlockDriverState *bs_ = (bs);             \\\n      AIO_WAIT_WHILE(bdrv_get_aio_context(bs_), \\\n                     cond); })\n\nAs we will remove the BlockDriverState use in the next commit,\nstart by using the exploded version of BDRV_POLL_WHILE().\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>\n---\n block/nvme.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/block/nvme.c b/block/nvme.c\nindex 7b983ba4e1..ac933cafd0 100644\n--- a/block/nvme.c\n+++ b/block/nvme.c\n@@ -419,6 +419,7 @@ static void nvme_cmd_sync_cb(void *opaque, int ret)\n static int nvme_cmd_sync(BlockDriverState *bs, NVMeQueuePair *q,\n                          NvmeCmd *cmd)\n {\n+    AioContext *aio_context = bdrv_get_aio_context(bs);\n     NVMeRequest *req;\n     BDRVNVMeState *s = bs->opaque;\n     int ret = -EINPROGRESS;\n@@ -428,7 +429,7 @@ static int nvme_cmd_sync(BlockDriverState *bs, NVMeQueuePair *q,\n     }\n     nvme_submit_command(s, q, req, cmd, nvme_cmd_sync_cb, &ret);\n \n-    BDRV_POLL_WHILE(bs, ret == -EINPROGRESS);\n+    AIO_WAIT_WHILE(aio_context, ret == -EINPROGRESS);\n     return ret;\n }\n \n",
    "prefixes": [
        "14/17"
    ]
}