gfs2: Protect gl->gl_object by spin lock
Put all remaining accesses to gl->gl_object under the
gl->gl_lockref.lock spinlock to prevent races.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 912d4e6..50108fa 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -202,14 +202,14 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
fail_refresh:
ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
- ip->i_iopen_gh.gh_gl->gl_object = NULL;
+ glock_set_object(ip->i_iopen_gh.gh_gl, NULL);
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
fail_put:
if (io_gl)
gfs2_glock_put(io_gl);
if (gfs2_holder_initialized(&i_gh))
gfs2_glock_dq_uninit(&i_gh);
- ip->i_gl->gl_object = NULL;
+ glock_set_object(ip->i_gl, NULL);
fail:
iget_failed(inode);
return ERR_PTR(error);
@@ -706,7 +706,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (error)
goto fail_free_inode;
- ip->i_gl->gl_object = ip;
+ glock_set_object(ip->i_gl, ip);
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
if (error)
goto fail_free_inode;
@@ -732,7 +732,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (error)
goto fail_gunlock2;
- ip->i_iopen_gh.gh_gl->gl_object = ip;
+ glock_set_object(ip->i_iopen_gh.gh_gl, ip);
gfs2_glock_put(io_gl);
gfs2_set_iop(inode);
insert_inode_hash(inode);