Re: [PATCH v3 3/5] ext4: Add alignment check for DAX mount

From	Jan Kara <jack@suse.cz>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 3/5] ext4: Add alignment check for DAX mount
Date	2016-05-09 10:20 +0200
Message-ID	<rwOA2-1jg-7@gated-at.bofh.it> (permalink)
References	<rvBYd-2li-7@gated-at.bofh.it> <rvBYd-2li-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu 05-05-16 18:29:54, Toshi Kani wrote:
> When a partition is not aligned by 4KB, mount -o dax succeeds,
> but any read/write access to the filesystem fails, except for
> metadata update.
> 
> Call bdev_supports_dax() to perform proper precondition checks
> which includes this partition alignment check.
> 
> Reported-by: Micah Parrish <micah.parrish@hpe.com>
> Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
> Cc: "Theodore Ts'o" <tytso@mit.edu>
> Cc: Andreas Dilger <adilger.kernel@dilger.ca>
> Cc: Jan Kara <jack@suse.cz>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
> Cc: Christoph Hellwig <hch@infradead.org>
> Cc: Boaz Harrosh <boaz@plexistor.com>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

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[PATCH v3 3/5] ext4: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-06 02:40 +0200
  Re: [PATCH v3 3/5] ext4: Add alignment check for DAX mount Jan Kara <jack@suse.cz> - 2016-05-09 10:20 +0200

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