On Mon, Jul 30, 2012 at 08:00:19PM -0400, Mikulas Patocka wrote: > > > On Mon, 30 Jul 2012, Paul E. McKenney wrote: > > > On Sun, Jul 29, 2012 at 01:13:34AM -0400, Mikulas Patocka wrote: > > > On Sat, 28 Jul 2012, Eric Dumazet wrote: > > > > On Sat, 2012-07-28 at 12:41 -0400, Mikulas Patocka wrote: > > > > [ . . . ] > > > > > > (bdev->bd_block_size should be read exactly once ) > > > > > > Rewrite all direct and non-direct io code so that it reads block size just > > > once ... > > > > For whatever it is worth, the 3.5 Linux kernel only has about ten mentions > > of bd_block_size, at least according to cscope. > > plus 213 uses of i_blkbits (which is derived directly from bd_block_size). > 45 of them is in fs/*.c and mm/*.c At least it is only hundreds rather than thousands! ;-) Thanx, Paul -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel