[PATCH] ext4: ext4_mb_mark_free_simple: Fix integer value truncation

Theodore Ts'o tytso at mit.edu
Tue Nov 15 13:24:20 AEDT 2016


On Thu, Nov 03, 2016 at 01:32:33PM -0600, Andreas Dilger wrote:
> On Nov 3, 2016, at 3:14 AM, Chandan Rajendra <chandan at linux.vnet.ibm.com> wrote:
> > 
> > 'border' variable is set to a value of 2 times the block size of the
> > underlying filesystem. With 64k block size, the resulting value won't
> > fit into a 16-bit variable. Hence this commit changes the data type of
> > 'border' to 'unsigned int'.
> > 
> > Signed-off-by: Chandan Rajendra <chandan at linux.vnet.ibm.com>
> 
> Reviewed-by: Andreas Dilger <adilger at dilger.ca>

Applied, with a change in the commit summary:

    ext4: fix mballoc breakage with 64k block size

Many thanks!!

					- Ted


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