gfs2_quota_lock  1891 fs/gfs2/inode.c 	error = gfs2_quota_lock(ip, nuid, ngid);
gfs2_quota_lock    23 fs/gfs2/quota.h extern int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
gfs2_quota_lock    50 fs/gfs2/quota.h 	ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);