Re: [PATCH 12/15] btrfs: Remove dio_sem

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To: Goldwyn Rodrigues <rgoldwyn@xxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx
Subject: Re: [PATCH 12/15] btrfs: Remove dio_sem
From: Josef Bacik <josef@xxxxxxxxxxxxxx>
Date: Tue, 22 Sep 2020 10:52:48 -0400
Cc: linux-btrfs@xxxxxxxxxxxxxxx, david@xxxxxxxxxxxxx, hch@xxxxxx, johannes.thumshirn@xxxxxxx, dsterba@xxxxxxxx, darrick.wong@xxxxxxxxxx, Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
In-reply-to: <20200921144353.31319-13-rgoldwyn@suse.de>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.2.2

On 9/21/20 10:43 AM, Goldwyn Rodrigues wrote:

From: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>

dio_sem can be eliminated because all DIO synchronization is performed
through inode->i_rwsem now.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>


Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx>

Thanks,

Josef

References:
- [PATCH 0/15 v2] BTRFS DIO inode locking/D_SYNC fix
  - From: Goldwyn Rodrigues
- [PATCH 12/15] btrfs: Remove dio_sem
  - From: Goldwyn Rodrigues

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