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From: David Sterba <dsterba@suse.cz>
To: Goldwyn Rodrigues <rgoldwyn@suse.de>
Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
	linux-btrfs@vger.kernel.org, hch@infradead.org,
	andres@anarazel.de, david@fromorbit.com, riteshh@linux.ibm.com,
	linux-f2fs-devel@lists.sourceforge.net,
	Goldwyn Rodrigues <rgoldwyn@suse.com>
Subject: Re: [PATCH 1/3] btrfs: fix inode rwsem regression
Date: Wed, 11 Sep 2019 19:21:33 +0200
Message-ID: <20190911172133.GJ2850@twin.jikos.cz> (raw)
In-Reply-To: <20190911164517.16130-2-rgoldwyn@suse.de>

On Wed, Sep 11, 2019 at 11:45:15AM -0500, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues <rgoldwyn@suse.com>
> 
> This is similar to 942491c9e6d6 ("xfs: fix AIM7 regression")
> Apparently our current rwsem code doesn't like doing the trylock, then
> lock for real scheme.  So change our read/write methods to just do the
> trylock for the RWF_NOWAIT case.
> 
> Fixes: edf064e7c6fe ("btrfs: nowait aio support")
> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>

The subject seems to be a bit confusing so I'll update it, otherwise
patch added to devel queue, thanks.

  reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190910223327.mnegfoggopwqqy33@alap3.anarazel.de>
     [not found] ` <20190911040420.GB27547@dread.disaster.area>
2019-09-11  9:39   ` Odd locking pattern introduced as part of "nowait aio support" Andres Freund
2019-09-11 10:19     ` Christoph Hellwig
2019-09-11 10:31     ` Ritesh Harjani
2019-09-11 10:55     ` Goldwyn Rodrigues
2019-09-11 16:45     ` Fix inode sem regression for nowait Goldwyn Rodrigues
2019-09-11 16:45       ` [PATCH 1/3] btrfs: fix inode rwsem regression Goldwyn Rodrigues
2019-09-11 17:21         ` David Sterba [this message]
2019-09-11 16:45       ` [PATCH 2/3] ext4: " Goldwyn Rodrigues
2019-09-12  8:52         ` Ritesh Harjani
2019-09-12  9:26           ` Matthew Bobrowski
2019-09-23 10:10         ` Jan Kara
2019-09-23 13:18           ` Theodore Y. Ts'o
2019-09-11 16:45       ` [PATCH 3/3] f2fs: " Goldwyn Rodrigues
2019-09-12  6:17         ` Chao Yu
2019-09-13 19:46         ` Jaegeuk Kim
2019-09-16  1:16           ` Chao Yu

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