From: Bernd Schubert <bschubert@ddn.com>
To: Amir Goldstein <amir73il@gmail.com>,
Daniel Rosenberg <drosen@google.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-unionfs@vger.kernel.org" <linux-unionfs@vger.kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>, Eduard Zingerman <eddyz87@gmail.com>,
Yonghong Song <yonghong.song@linux.dev>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Joanne Koong <joannelkoong@gmail.com>,
Mykola Lysenko <mykolal@fb.com>,
Christian Brauner <brauner@kernel.org>,
"kernel-team@android.com" <kernel-team@android.com>
Subject: Re: [RFC PATCH v4 00/36] Fuse-BPF and plans on merging with Fuse Passthrough
Date: Mon, 1 Apr 2024 20:27:55 +0000 [thread overview]
Message-ID: <bdf73614-0f74-4cb1-be2f-a2786e1f1850@ddn.com> (raw)
In-Reply-To: <CAOQ4uxiyS9viEpOwT8f2Np=wuMdWwUqqyHFRrBX9+Acy_i3OHw@mail.gmail.com>
On 4/1/24 16:43, Amir Goldstein wrote:
>
>>
>> Can you not read/write without interacting with the server? Or do you
>> mean FOPEN_DIRECT_IO sends some file ops to the server even in
>> passthrough mode?
>
> FOPEN_DIRECT_IO sends write() and read() to the server even in
> passthrough mode.
>
>> At the moment I'm tempted to follow the same
>> mechanics passthrough is using. The only exception would be possibly
>> tossing back to the server, which I mentioned above. That'd only
>> happen for, say, read, if we're not under FOPEN_DIRECT_IO. I've not
>> looked too closely at FOPEN_DIRECT_IO. In Fuse bpf we currently have
>> bpf mode taking priority. Are there any email threads I should look at
>> for more background there?
>
> Maybe this patch set:
> https://lore.kernel.org/linux-fsdevel/20240208170603.2078871-1-amir73il@gmail.com/
>
> Bernd and I worked on it together as a prerequisite to fuse passthrough.
> Benrd has some followup direct_io re-factoring patches.
They are in this branch
https://github.com/bsbernd/linux/commits/fuse-dio-v5/
Going to rebase it to 6.9 this week and will send it out then. I had
been rather occupied with with ddn internal work and didn't have the
time since February...
Thanks,
Bernd
prev parent reply other threads:[~2024-04-01 20:28 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 1:53 [RFC PATCH v4 00/36] Fuse-BPF and plans on merging with Fuse Passthrough Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 01/36] fuse-bpf: Update fuse side uapi Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 02/36] fuse-bpf: Add data structures for fuse-bpf Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 03/36] fuse-bpf: Prepare for fuse-bpf patch Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 04/36] fuse: Add fuse-bpf, a stacked fs extension for FUSE Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 05/36] fuse-bpf: Add ioctl interface for /dev/fuse Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 06/36] fuse-bpf: Don't support export_operations Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 07/36] fuse-bpf: Add support for access Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 08/36] fuse-bpf: Partially add mapping support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 09/36] fuse-bpf: Add lseek support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 10/36] fuse-bpf: Add support for fallocate Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 11/36] fuse-bpf: Support file/dir open/close Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 12/36] fuse-bpf: Support mknod/unlink/mkdir/rmdir Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 13/36] fuse-bpf: Add support for read/write iter Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 14/36] fuse-bpf: support readdir Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 15/36] fuse-bpf: Add support for sync operations Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 16/36] fuse-bpf: Add Rename support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 17/36] fuse-bpf: Add attr support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 18/36] fuse-bpf: Add support for FUSE_COPY_FILE_RANGE Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 19/36] fuse-bpf: Add xattr support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 20/36] fuse-bpf: Add symlink/link support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 21/36] fuse-bpf: Add partial flock support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 22/36] fuse-bpf: Add partial ioctl support Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 23/36] fuse-bpf: allow mounting with no userspace daemon Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 24/36] fuse-bpf: Add fuse-bpf constants Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 25/36] bpf: Increase struct_op max members Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 26/36] WIP: bpf: Add fuse_ops struct_op programs Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 27/36] fuse-bpf: Export Functions Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 28/36] fuse: Provide registration functions for fuse-bpf Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 29/36] fuse-bpf: Set fuse_ops at mount or lookup time Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 30/36] fuse-bpf: Call bpf for pre/post filters Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 31/36] fuse-bpf: Add userspace " Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 32/36] WIP: fuse-bpf: add error_out Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 33/36] fuse-bpf: Add default filter op Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 34/36] tools: Add FUSE, update bpf includes Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 35/36] fuse-bpf: Add selftests Daniel Rosenberg
2024-03-29 1:53 ` [RFC PATCH v4 36/36] fuse: Provide easy way to test fuse struct_op call Daniel Rosenberg
2024-03-29 6:44 ` [RFC PATCH v4 00/36] Fuse-BPF and plans on merging with Fuse Passthrough Amir Goldstein
2024-03-30 0:59 ` Daniel Rosenberg
2024-04-01 14:43 ` Amir Goldstein
2024-04-01 20:27 ` Bernd Schubert [this message]
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