From: Markus Armbruster <armbru@redhat.com>
To: Hanna Czenczek <hreitz@redhat.com>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org,
Stefan Hajnoczi <stefanha@redhat.com>,
Kevin Wolf <kwolf@redhat.com>,
Brian Song <hibriansong@gmail.com>
Subject: Re: [PATCH v2 16/21] block/export: Add multi-threading interface
Date: Wed, 04 Jun 2025 15:58:16 +0200 [thread overview]
Message-ID: <87bjr3sj5z.fsf@pond.sub.org> (raw)
In-Reply-To: <20250604132813.359438-17-hreitz@redhat.com> (Hanna Czenczek's message of "Wed, 4 Jun 2025 15:28:08 +0200")
Hanna Czenczek <hreitz@redhat.com> writes:
> Make BlockExportType.iothread an alternate between a single-thread
> variant 'str' and a multi-threading variant '[str]'.
>
> In contrast to the single-thread setting, the multi-threading setting
> will not change the BDS's context (and so is incompatible with the
> fixed-iothread setting), but instead just pass a list to the export
> driver, with which it can do whatever it wants.
>
> Currently no export driver supports multi-threading, so they all return
> an error when receiving such a list.
>
> Suggested-by: Kevin Wolf <kwolf@redhat.com>
> Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
next prev parent reply other threads:[~2025-06-04 13:59 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-04 13:27 [PATCH v2 00/21] export/fuse: Use coroutines and multi-threading Hanna Czenczek
2025-06-04 13:27 ` [PATCH v2 01/21] fuse: Copy write buffer content before polling Hanna Czenczek
2025-06-09 14:45 ` Stefan Hajnoczi
2025-06-04 13:27 ` [PATCH v2 02/21] fuse: Ensure init clean-up even with error_fatal Hanna Czenczek
2025-06-04 13:27 ` [PATCH v2 03/21] fuse: Remove superfluous empty line Hanna Czenczek
2025-06-04 13:27 ` [PATCH v2 04/21] fuse: Explicitly set inode ID to 1 Hanna Czenczek
2025-06-04 13:27 ` [PATCH v2 05/21] fuse: Change setup_... to mount_fuse_export() Hanna Czenczek
2025-06-04 13:27 ` [PATCH v2 06/21] fuse: Fix mount options Hanna Czenczek
2025-06-04 13:27 ` [PATCH v2 07/21] fuse: Set direct_io and parallel_direct_writes Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 08/21] fuse: Introduce fuse_{at,de}tach_handlers() Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 09/21] fuse: Introduce fuse_{inc,dec}_in_flight() Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 10/21] fuse: Add halted flag Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 11/21] fuse: Rename length to blk_len in fuse_write() Hanna Czenczek
2025-06-09 14:48 ` Stefan Hajnoczi
2025-06-04 13:28 ` [PATCH v2 12/21] block: Move qemu_fcntl_addfl() into osdep.c Hanna Czenczek
2025-06-04 15:18 ` Eric Blake
2025-06-09 15:03 ` Stefan Hajnoczi
2025-07-01 7:24 ` Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 13/21] fuse: Manually process requests (without libfuse) Hanna Czenczek
2025-06-09 16:54 ` Stefan Hajnoczi
2025-06-04 13:28 ` [PATCH v2 14/21] fuse: Reduce max read size Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 15/21] fuse: Process requests in coroutines Hanna Czenczek
2025-06-05 8:12 ` Hanna Czenczek
2025-06-09 16:57 ` Stefan Hajnoczi
2025-06-04 13:28 ` [PATCH v2 16/21] block/export: Add multi-threading interface Hanna Czenczek
2025-06-04 13:58 ` Markus Armbruster [this message]
2025-06-09 17:00 ` Stefan Hajnoczi
2025-06-04 13:28 ` [PATCH v2 17/21] iotests/307: Test multi-thread export interface Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 18/21] fuse: Implement multi-threading Hanna Czenczek
2025-06-09 18:10 ` Stefan Hajnoczi
2025-06-27 1:08 ` Brian
2025-07-01 7:31 ` Hanna Czenczek
2025-06-04 13:28 ` [PATCH v2 19/21] qapi/block-export: Document FUSE's multi-threading Hanna Czenczek
2025-06-04 13:58 ` Markus Armbruster
2025-06-04 13:28 ` [PATCH v2 20/21] iotests/308: Add multi-threading sanity test Hanna Czenczek
2025-06-09 18:12 ` Stefan Hajnoczi
2025-06-04 13:28 ` [PATCH v2 21/21] fuse: Increase MAX_WRITE_SIZE with a second buffer Hanna Czenczek
2025-06-10 23:37 ` Brian
2025-06-11 13:46 ` Stefan Hajnoczi
2025-06-09 18:14 ` [PATCH v2 00/21] export/fuse: Use coroutines and multi-threading Stefan Hajnoczi
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