On Tue, Nov 07, 2017 at 07:44:59AM +0800, Anand Jain wrote: > > > On 11/07/2017 12:52 AM, David Sterba wrote: > > On Mon, Nov 06, 2017 at 04:36:14PM +0800, Anand Jain wrote: > >> As i_size_read() takes care of 32bit smp or preempt cases as well. > > > > Can bdev->bd_inode->i_size change so that we need to use the > > i_size_read()? My answer is 'no'. > > Hm. Right I was looking at it only from the theoretical point of view. > > And I presume you mean to say disk resize at the block layer is not > really a practically achievable concern.
There are some safety checks, at least if there are bios in flight on the partition when it's mounted. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
