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SubjectRe: [PATCH v2 0/3] Add alignment check for DAX mount
On 05/02/2016 09:42 PM, 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.
>
> Add alignment check to ext4, ext2, and xfs.
>
> v2:
> - Use a helper function via ->direct_access for the check.
> (Christoph Hellwig)
> - Call bdev_direct_access() with sector 0 for the check.
> (Boaz Harrosh)
>
> ---
> Toshi Kani (3):
> 1/3 ext4: Add alignment check for DAX mount
> 2/3 ext2: Add alignment check for DAX mount
> 3/3 xfs: Add alignment check for DAX mount
>

All patches look very good to me, and keep the
internals internal. Thanks Toshi

Review-by: Boaz Harrosh <boaz@plexistor.com>

> ---
> fs/ext2/super.c | 21 +++++++++++++++++++--
> fs/ext4/super.c | 20 ++++++++++++++++++--
> fs/xfs/xfs_super.c | 23 +++++++++++++++++++----
> 3 files changed, 56 insertions(+), 8 deletions(-)
>

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