gfs2: Check for active reservation in gfs2_release

In gfs2_release, check if the inode has an active reservation to avoid
unnecessary lock taking.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index b39b339..177c4d7 100644 (file)
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -716,10 +716,10 @@ static int gfs2_release(struct inode *inode, struct file *file)
        kfree(file->private_data);
        file->private_data = NULL;
 
-       if (file->f_mode & FMODE_WRITE) {
+       if (gfs2_rs_active(&ip->i_res))
                gfs2_rs_delete(ip, &inode->i_writecount);
+       if (file->f_mode & FMODE_WRITE)
                gfs2_qa_put(ip);
-       }
        return 0;
 }