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Date: Fri, 31 May 2013 19:42:24 -0400 From: Theodore Ts'o <tytso@....edu> To: Jan Kara <jack@...e.cz> Cc: linux-ext4@...r.kernel.org Subject: Re: [PATCH 4/4] ext4: Fix overflow when counting used blocks on 32-bit architectures On Wed, May 29, 2013 at 02:05:33PM +0200, Jan Kara wrote: > The arithmetics adding delalloc blocks to the number of used blocks in > ext4_getattr() can easily overflow on 32-bit archs as we first multiply > number of blocks by blocksize and then divide back by 512. Make the > arithmetics more clever and also use proper type (unsigned long long > instead of unsigned long). > > Signed-off-by: Jan Kara <jack@...e.cz> I've applied these four patches to the ext4 tree, thanks!! - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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