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{
    "id": 2225142,
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        "name": "QEMU Development",
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    "msgid": "<20260420201317.30199-1-junjie.cao@intel.com>",
    "date": "2026-04-20T20:13:14",
    "name": "[0/3] migration: switch remaining positioned I/O to _all helpers",
    "submitter": {
        "id": 91537,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/91537/?format=api",
        "name": "Junjie Cao",
        "email": "junjie.cao@intel.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260420201317.30199-1-junjie.cao@intel.com/mbox/",
    "series": [
        {
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            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500601",
            "date": "2026-04-20T20:13:15",
            "name": "migration: switch remaining positioned I/O to _all helpers",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/500601/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/covers/2225142/comments/",
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        "From": "Junjie Cao <junjie.cao@intel.com>",
        "To": "qemu-devel@nongnu.org",
        "Cc": "peterx@redhat.com,\n\tfarosas@suse.de,\n\tjunjie.cao@intel.com",
        "Subject": "[PATCH 0/3] migration: switch remaining positioned I/O to _all\n helpers",
        "Date": "Tue, 21 Apr 2026 04:13:14 +0800",
        "Message-ID": "<20260420201317.30199-1-junjie.cao@intel.com>",
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    },
    "content": "Follow-up to the pread/pwrite_all API series [1].\n\nqemu_put_buffer_at(), qemu_get_buffer_at(), and file_write_ramblock_iov()\nall use single-shot positioned I/O without retry.  They share the same\npattern as the bug fixed in multifd_file_recv_data() where a short\ntransfer would be mishandled.\n\nConvert them to the _all helpers and clean up a pre-existing\nconst-correctness issue in qemu_get_buffer_at() along the way.\n\nAfter this series no positioned I/O call site in migration/ uses raw\nsingle-shot channel operations.\n\nDepends-on: <20260413214549.926435-1-junjie.cao@intel.com>\n(\"io/channel: complete pread/pwrite_all API and fix\nmultifd_file_recv_data\")\n\n[1] https://lore.kernel.org/qemu-devel/20260413214549.926435-1-junjie.cao@intel.com/\n\nJunjie Cao (3):\n  migration/qemu-file: switch buffer_at functions to positioned I/O _all\n    helpers\n  migration/file: switch file_write_ramblock_iov to pwritev_all\n  migration/qemu-file: drop incorrect const from qemu_get_buffer_at buf\n\n migration/file.c      |  8 ++++----\n migration/qemu-file.c | 37 ++++---------------------------------\n migration/qemu-file.h |  2 +-\n 3 files changed, 9 insertions(+), 38 deletions(-)"
}