On Wed, Feb 17, 2016 at 06:20:46PM +1100, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > Source kernel commit 3987848c7c2be112e03c82d03821b044f1c0edec > > The struct xfs_inode has two copies of the current timestamps in it, > one in the vfs inode and one in the struct xfs_icdinode. Now that we > no longer log the struct xfs_icdinode directly, we don't need to > keep the timestamps in this structure. instead we can copy them > straight out of the VFS inode when formatting the inode log item or > the on-disk inode. > > This reduces the struct xfs_inode in size by 24 bytes. > > Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> > Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx> > --- > db/check.c | 106 +++++++++++++++++++++++------------------------ > include/xfs_inode.h | 16 ++++++- > libxfs/libxfs_api_defs.h | 4 +- > libxfs/util.c | 17 ++++---- > libxfs/xfs_inode_buf.c | 91 ++++++++++++++++++++++++++++++++++------ > libxfs/xfs_inode_buf.h | 9 ++-- > libxfs/xfs_rtbitmap.c | 2 +- > mkfs/proto.c | 2 +- > 8 files changed, 162 insertions(+), 85 deletions(-) > ... > diff --git a/mkfs/proto.c b/mkfs/proto.c > index 21960d5..72a1576 100644 > --- a/mkfs/proto.c > +++ b/mkfs/proto.c > @@ -653,7 +653,7 @@ rtinit( > mp->m_sb.sb_rbmino = rbmip->i_ino; > rbmip->i_d.di_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; > rbmip->i_d.di_flags = XFS_DIFLAG_NEWRTBM; > - *(__uint64_t *)&rbmip->i_d.di_atime = 0; > + *(__uint64_t *)&VFS_I(mp->m_rbmip)->i_atime = 0; FYI, this bit causes a NULL dereference because we've switched to using mp->m_rbmip instead of rbmip, and mp->m_rbmip is not initialized until just below. I assume this can be fixed in-tree... Brian > libxfs_trans_log_inode(tp, rbmip, XFS_ILOG_CORE); > libxfs_log_sb(tp); > mp->m_rbmip = rbmip; > -- > 2.7.0 > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
