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[GFS2] Shrink gfs2_inode (8) - i_vn

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This shrinks the size of the gfs2_inode by 8 bytes by
replacing the version counter with a one bit valid/invalid
flag.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
2006-11-01 16:05:38 -05:00
parent a9583c7983
commit bfded27ba0
4 changed files with 7 additions and 6 deletions
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5
fs/gfs2/glops.c
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@@ -305,8 +305,9 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
int data = (flags & DIO_DATA);
if (meta) {
struct gfs2_inode *ip = gl->gl_object;
gfs2_meta_inval(gl);
gl->gl_vn++;
set_bit(GIF_INVALID, &ip->i_flags);
}
if (data)
gfs2_page_inval(gl);
@@ -351,7 +352,7 @@ static int inode_go_lock(struct gfs2_holder *gh)
if (!ip)
return 0;
if (ip->i_vn != gl->gl_vn) {
if (test_bit(GIF_INVALID, &ip->i_flags)) {
error = gfs2_inode_refresh(ip);
if (error)
return error;