xfs_buf_cond_lock 1678 fs/xfs/linux-2.6/xfs_buf.c 		if (!xfs_buf_ispin(bp) && !xfs_buf_cond_lock(bp)) {
xfs_buf_cond_lock  211 fs/xfs/linux-2.6/xfs_buf.h extern int xfs_buf_cond_lock(xfs_buf_t *);
xfs_buf_cond_lock  360 fs/xfs/linux-2.6/xfs_buf.h #define XFS_BUF_CPSEMA(bp)	(xfs_buf_cond_lock(bp) == 0)