Re: [PATCH 1/2] fstests: generic test for fsync after renaming directory

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On Wed, Mar 30, 2016 at 10:38:42AM +0100, fdmanana@xxxxxxxxxx wrote:
> From: Filipe Manana <fdmanana@xxxxxxxx>
> 
> Test that if we rename a directory, create a new file or directory that
> has the old name of our former directory and is a child of the same
> parent directory, fsync the new inode, power fail and mount the
> filesystem, we see our first directory with the new name and no files
> under it were lost.
> 
> This test is motivated by an issue found in btrfs which is fixed by the
> following patch for the linux kernel:
> 
>   "Btrfs: fix file loss caused by fsync after rename and new inode"
> 
> Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>

Looks good to me, tested on ext4/3 xfs and btrfs, with 4.6-rc1 kernel,
btrfs failed as expected, ext4/3 and xfs all passed.

Reviewed-by: Eryu Guan <eguan@xxxxxxxxxx>
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