On Fri, Aug 25, 2017 at 8:48 PM, Andreas Dilger <adilger@xxxxxxxxx> wrote: > Avoid a 32-bit time overflow in recently_deleted() since i_dtime > (inode deletion time) is stored only as a 32-bit value on disk. > Since i_dtime isn't used for much beyond a boolean value in e2fsck > and is otherwise only used in this function in the kernel, there is > no benefit to use more space in the inode for this field on disk. > > Instead, compare only the relative deletion time with the low > 32 bits of the time using the newly-added time_before32() helper, > which is similar to time_before() and time_after() for jiffies. > > Increase RECENTCY_DIRTY to 300s based on Ted's comments about > usage experience at Google. > > Signed-off-by: Andreas Dilger <adilger@xxxxxxxxx> > Change-Id: I7402e1b3d49ea326f872ec8324933f42b502b9be Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx> Sorry for the late reply.
