On Tue, Apr 17, 2018 at 10:40:59PM +0800, Xiong Zhou wrote: > We got these in v4.17-rc1: > 6e2608d xfs, dax: introduce xfs_dax_aops > fb094c9 ext2, dax: introduce ext2_dax_aops > 5f0663b ext4, dax: introduce ext4_dax_aops > > And we don't have ->bmap call in these aops, which may lead > to the ioctl call failure. > > Do we have any plan of adding/supporting it ? > > xfstests generic/223 covers this issue. If we are not going > to support this call for dax, we need to fix the testcase. Not supporting ->bmap is a good thing as it is hightly dangerous. The t_stripetest tool used by generic/223 should really be rewritten to suppot FIEMAP.
