From: Christian Brauner <brauner@kernel.org>
To: Hugh Dickins <hughd@google.com>
Cc: Christian Brauner <brauner@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Oleksandr Tymoshenko <ovt@google.com>,
Carlos Maiolino <cem@kernel.org>,
Jeff Layton <jlayton@kernel.org>,
Chuck Lever <chuck.lever@oracle.com>, Jan Kara <jack@suse.cz>,
Miklos Szeredi <miklos@szeredi.hu>, Daniel Xu <dxu@dxuuu.xyz>,
Chris Down <chris@chrisdown.name>, Tejun Heo <tj@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Matthew Wilcox <willy@infradead.org>,
Christoph Hellwig <hch@infradead.org>,
Pete Zaitcev <zaitcev@redhat.com>, Helge Deller <deller@gmx.de>,
Topi Miettinen <toiwoton@gmail.com>, Yu Kuai <yukuai3@huawei.com>,
"Darrick J. Wong" <djwong@kernel.org>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: (subset) [PATCH vfs.tmpfs v2 4/5] tmpfs: trivial support for direct IO
Date: Fri, 11 Aug 2023 13:00:33 +0200 [thread overview]
Message-ID: <20230811-halde-gesiegt-cea0d6a56411@brauner> (raw)
In-Reply-To: <6f2742-6f1f-cae9-7c5b-ed20fc53215@google.com>
On Thu, 10 Aug 2023 23:27:07 -0700, Hugh Dickins wrote:
> Depending upon your philosophical viewpoint, either tmpfs always does
> direct IO, or it cannot ever do direct IO; but whichever, if tmpfs is to
> stand in for a more sophisticated filesystem, it can be helpful for tmpfs
> to support O_DIRECT. So, give tmpfs a shmem_file_open() method, to set
> the FMODE_CAN_ODIRECT flag: then unchanged shmem_file_read_iter() and new
> shmem_file_write_iter() do the work (without any shmem_direct_IO() stub).
>
> [...]
I've dropped the previous version and applied this one. Thank!
---
Applied to the vfs.tmpfs branch of the vfs/vfs.git tree.
Patches in the vfs.tmpfs branch should appear in linux-next soon.
Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.
It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.
Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.tmpfs
[4/5] tmpfs: trivial support for direct IO
https://git.kernel.org/vfs/vfs/c/6b55d273ec5b
next prev parent reply other threads:[~2023-08-11 11:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-09 4:28 [PATCH vfs.tmpfs 0/5] tmpfs: user xattrs and " Hugh Dickins
2023-08-09 4:30 ` [PATCH vfs.tmpfs 1/5] xattr: simple_xattr_set() return old_xattr to be freed Hugh Dickins
2023-08-09 9:21 ` Jan Kara
2023-08-09 11:37 ` Christian Brauner
2023-08-09 13:19 ` Carlos Maiolino
2023-08-09 4:32 ` [PATCH vfs.tmpfs 2/5] tmpfs: track free_ispace instead of free_inodes Hugh Dickins
2023-08-09 9:33 ` Jan Kara
2023-08-09 13:29 ` Carlos Maiolino
2023-08-09 4:33 ` [PATCH vfs.tmpfs 3/5] tmpfs,xattr: enable limited user extended attributes Hugh Dickins
2023-08-09 9:50 ` Jan Kara
2023-08-09 13:52 ` Carlos Maiolino
2023-08-09 4:34 ` [PATCH vfs.tmpfs 4/5] tmpfs: trivial support for direct IO Hugh Dickins
2023-08-09 9:54 ` Jan Kara
2023-08-09 13:41 ` Christoph Hellwig
2023-08-10 23:41 ` Darrick J. Wong
2023-08-11 6:16 ` Hugh Dickins
2023-08-11 8:34 ` Christoph Hellwig
2023-08-11 6:08 ` Hugh Dickins
2023-08-11 6:27 ` [PATCH vfs.tmpfs v2 " Hugh Dickins
2023-08-11 8:35 ` Christoph Hellwig
2023-08-11 8:56 ` Jan Kara
2023-08-11 11:00 ` Christian Brauner [this message]
2023-08-09 4:36 ` [PATCH vfs.tmpfs 5/5] mm: invalidation check mapping before folio_contains Hugh Dickins
2023-08-09 9:27 ` Jan Kara
2023-08-09 6:45 ` [PATCH vfs.tmpfs 0/5] tmpfs: user xattrs and direct IO Christian Brauner
2023-08-09 11:33 ` Christian Brauner
2023-08-10 5:50 ` Hugh Dickins
2023-08-10 10:07 ` Christian Brauner
2023-08-21 17:39 ` [PATCH vfs.tmpfs] tmpfs,xattr: GFP_KERNEL_ACCOUNT for simple xattrs Hugh Dickins
2023-08-21 17:57 ` Jan Kara
2023-08-22 8:58 ` (subset) " Christian Brauner
2023-08-10 23:23 ` [PATCH vfs.tmpfs 0/5] tmpfs: user xattrs and direct IO Pete Zaitcev
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