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From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Goldwyn Rodrigues <rgoldwyn-l3A5Bk7waGM@public.gmane.org>
Cc: Al Viro <viro-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
	Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	jack-IBi9RG/b67k@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-btrfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-xfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	adam.manzanares-Sjgp3cTcYWE@public.gmane.org
Subject: Re: [PATCH 0/10 v11] No wait AIO
Date: Mon, 12 Jun 2017 23:14:31 -0700	[thread overview]
Message-ID: <20170613061431.GA11432@infradead.org> (raw)
In-Reply-To: <58bbe95e-5a4a-4387-3a00-16ed2e861bd3-l3A5Bk7waGM@public.gmane.org>

On Mon, Jun 12, 2017 at 05:38:13PM -0500, Goldwyn Rodrigues wrote:
> We had FS_NOWAIT in filesystem type flags (in v3), but retracted it
> later in v4.

A per-fs flag is wrong as file_operation may have different
capabilities.

> I will work on adding FMODE_AIO_NOWAIT in the meantime.

If Al prefers that let's go with it for now.  One other thing I'd
love is a supported flags field in struct file_operations that we
can compare the flags against.  Al, does that sound good as well?

> 
> Thanks,
> 
> -- 
> Goldwyn
---end quoted text---

  parent reply	other threads:[~2017-06-13  6:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-06 11:19 Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 01/10] fs: Separate out kiocb flags setup based on RWF_* flags Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 02/10] fs: Introduce filemap_range_has_page() Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 03/10] fs: Use RWF_* flags for AIO operations Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 04/10] fs: Introduce RWF_NOWAIT Goldwyn Rodrigues
     [not found]   ` <20170606111939.27272-5-rgoldwyn-l3A5Bk7waGM@public.gmane.org>
2017-06-10  5:27     ` Al Viro
2017-06-06 11:19 ` [PATCH 05/10] fs: return if direct write will trigger writeback Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 06/10] fs: Introduce IOMAP_NOWAIT Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 07/10] block: return on congested block device Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 08/10] ext4: nowait aio support Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 09/10] xfs: " Goldwyn Rodrigues
2017-06-06 11:19 ` [PATCH 10/10] btrfs: " Goldwyn Rodrigues
2017-06-08  7:39 ` [PATCH 0/10 v11] No wait AIO Christoph Hellwig
2017-06-10  5:34   ` Al Viro
2017-06-12 22:38     ` Goldwyn Rodrigues
     [not found]       ` <58bbe95e-5a4a-4387-3a00-16ed2e861bd3-l3A5Bk7waGM@public.gmane.org>
2017-06-13  6:14         ` Christoph Hellwig [this message]
2017-06-15 11:11           ` Al Viro
2017-06-15 14:55             ` Christoph Hellwig

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