On Wed, Jun 17, 2015 at 02:24:18PM -0500, Eric Sandeen wrote: > If we have a pure 4k device with no 512 emulation, xfs_copy > fails straightaway because it tries to do a 512-byte direct > IO read of the superblock. > > Do like we do in xfs_db, and read in the max possible sector size, > because we don't yet know what the filesystem's sector size is. > > This fixes a failure in xfs/032 on a hard 4k device. > > Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> > --- Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> > > diff --git a/copy/xfs_copy.c b/copy/xfs_copy.c > index 279527c..b39c84d 100644 > --- a/copy/xfs_copy.c > +++ b/copy/xfs_copy.c > @@ -654,8 +654,9 @@ main(int argc, char **argv) > > memset(&mbuf, 0, sizeof(xfs_mount_t)); > libxfs_buftarg_init(&mbuf, xargs.ddev, xargs.logdev, xargs.rtdev); > - sbp = libxfs_readbuf(mbuf.m_ddev_targp, XFS_SB_DADDR, 1, 0, > - &xfs_sb_buf_ops); > + sbp = libxfs_readbuf(mbuf.m_ddev_targp, XFS_SB_DADDR, > + 1 << (XFS_MAX_SECTORSIZE_LOG - BBSHIFT), > + 0, &xfs_sb_buf_ops); > sb = &mbuf.m_sb; > libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbp)); > > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs