GFS2: Reduce struct gfs2_trans in size
authorSteven Whitehouse <swhiteho@redhat.com>
Fri, 21 Feb 2014 11:52:00 +0000 (11:52 +0000)
committerSteven Whitehouse <swhiteho@redhat.com>
Fri, 21 Feb 2014 11:52:00 +0000 (11:52 +0000)
A couple of "int" fields were being used as boolean values
so we can make them bitfields of one bit, and put them in
what might otherwise be a hole in the structure with 64
bit alignment.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
fs/gfs2/incore.h
fs/gfs2/trans.c

index cf0e344..645655c 100644 (file)
@@ -462,11 +462,11 @@ struct gfs2_trans {
        unsigned int tr_blocks;
        unsigned int tr_revokes;
        unsigned int tr_reserved;
+       unsigned int tr_touched:1;
+       unsigned int tr_attached:1;
 
        struct gfs2_holder tr_t_gh;
 
-       int tr_touched;
-       int tr_attached;
 
        unsigned int tr_num_buf_new;
        unsigned int tr_num_databuf_new;
index 2b20d70..963b28c 100644 (file)
@@ -98,7 +98,7 @@ static void gfs2_print_trans(const struct gfs2_trans *tr)
 {
        printk(KERN_WARNING "GFS2: Transaction created at: %pSR\n",
               (void *)tr->tr_ip);
-       printk(KERN_WARNING "GFS2: blocks=%u revokes=%u reserved=%u touched=%d\n",
+       printk(KERN_WARNING "GFS2: blocks=%u revokes=%u reserved=%u touched=%u\n",
               tr->tr_blocks, tr->tr_revokes, tr->tr_reserved, tr->tr_touched);
        printk(KERN_WARNING "GFS2: Buf %u/%u Databuf %u/%u Revoke %u/%u\n",
               tr->tr_num_buf_new, tr->tr_num_buf_rm,