fs: xfs: Remove KM_NOSLEEP and KM_SLEEP.

Since no caller is using KM_NOSLEEP and no callee branches on KM_SLEEP,
we can remove KM_NOSLEEP and replace KM_SLEEP with 0.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/scrub/symlink.c

@@ -22,7 +22,7 @@ xchk_setup_symlink(
 	struct xfs_inode	*ip)
 {
 	/* Allocate the buffer without the inode lock held. */
-	sc->buf = kmem_zalloc_large(XFS_SYMLINK_MAXLEN + 1, KM_SLEEP);
+	sc->buf = kmem_zalloc_large(XFS_SYMLINK_MAXLEN + 1, 0);
 	if (!sc->buf)
 		return -ENOMEM;