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>
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 07aad70..65f4348 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -553,7 +553,7 @@ __xfs_bmap_add_free(
 #endif
 	ASSERT(xfs_bmap_free_item_zone != NULL);
 
-	new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP);
+	new = kmem_zone_alloc(xfs_bmap_free_item_zone, 0);
 	new->xefi_startblock = bno;
 	new->xefi_blockcount = (xfs_extlen_t)len;
 	if (oinfo)
@@ -1099,7 +1099,7 @@ xfs_bmap_add_attrfork(
 	if (error)
 		goto trans_cancel;
 	ASSERT(ip->i_afp == NULL);
-	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP);
+	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, 0);
 	ip->i_afp->if_flags = XFS_IFEXTENTS;
 	logflags = 0;
 	switch (ip->i_d.di_format) {
@@ -6094,7 +6094,7 @@ __xfs_bmap_add(
 			bmap->br_blockcount,
 			bmap->br_state);
 
-	bi = kmem_alloc(sizeof(struct xfs_bmap_intent), KM_SLEEP | KM_NOFS);
+	bi = kmem_alloc(sizeof(struct xfs_bmap_intent), KM_NOFS);
 	INIT_LIST_HEAD(&bi->bi_list);
 	bi->bi_type = type;
 	bi->bi_owner = ip;