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authorBob Peterson2018-06-13 08:52:47 -0500
committerBob Peterson2018-06-21 07:39:31 -0500
commitf85c10e24ab9fd8ccb6de3d6061a3110ff3581df (patch)
treeac348f7630b1f2103fd679609f49bc73072047ce /fs/gfs2/trace_gfs2.h
parentf0dc7f9c6dd99891611fca5849cbc4c6965b690e (diff)
gfs2: eliminate rs_inum and reduce the size of gfs2 inodes
Before this patch, block reservations kept track of the inode number. At one point, that was a valid thing to do. However, since we made the reservation a part of the inode (rather than a pointer to a separate allocated object) the reservation can determine the inode number by using container_of. This saves us a little memory in our inode. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2/trace_gfs2.h')
-rw-r--r--fs/gfs2/trace_gfs2.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h
index cb10b95efe0f..e0025258107a 100644
--- a/fs/gfs2/trace_gfs2.h
+++ b/fs/gfs2/trace_gfs2.h
@@ -606,7 +606,8 @@ TRACE_EVENT(gfs2_rs,
__entry->rd_addr = rs->rs_rbm.rgd->rd_addr;
__entry->rd_free_clone = rs->rs_rbm.rgd->rd_free_clone;
__entry->rd_reserved = rs->rs_rbm.rgd->rd_reserved;
- __entry->inum = rs->rs_inum;
+ __entry->inum = container_of(rs, struct gfs2_inode,
+ i_res)->i_no_addr;
__entry->start = gfs2_rbm_to_block(&rs->rs_rbm);
__entry->free = rs->rs_free;
__entry->func = func;