[PATCH 35/45] block: move make_it_fail to struct block_device

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Move the make_it_fail flag to struct block_device an turn it into a bool
in preparation of killing struct hd_struct.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
---
 block/blk-core.c          | 3 ++-
 block/genhd.c             | 4 ++--
 include/linux/blk_types.h | 3 +++
 include/linux/genhd.h     | 3 ---
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 9a3793d5ce38d4..9121390be97a76 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -668,7 +668,8 @@ __setup("fail_make_request=", setup_fail_make_request);
 
 static bool should_fail_request(struct hd_struct *part, unsigned int bytes)
 {
-	return part->make_it_fail && should_fail(&fail_make_request, bytes);
+	return part->bdev->bd_make_it_fail &&
+		should_fail(&fail_make_request, bytes);
 }
 
 static int __init fail_make_request_debugfs(void)
diff --git a/block/genhd.c b/block/genhd.c
index a964e7532fedd5..0371558ccde14c 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1284,7 +1284,7 @@ ssize_t part_fail_show(struct device *dev,
 {
 	struct hd_struct *p = dev_to_part(dev);
 
-	return sprintf(buf, "%d\n", p->make_it_fail);
+	return sprintf(buf, "%d\n", p->bdev->bd_make_it_fail);
 }
 
 ssize_t part_fail_store(struct device *dev,
@@ -1295,7 +1295,7 @@ ssize_t part_fail_store(struct device *dev,
 	int i;
 
 	if (count > 0 && sscanf(buf, "%d", &i) > 0)
-		p->make_it_fail = (i == 0) ? 0 : 1;
+		p->pdev->bd_make_it_fail = (i == 0) ? 0 : 1;
 
 	return count;
 }
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index c0591e52d7d7ce..b237f1e4081405 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -52,6 +52,9 @@ struct block_device {
 	struct super_block	*bd_fsfreeze_sb;
 
 	struct partition_meta_info *bd_meta_info;
+#ifdef CONFIG_FAIL_MAKE_REQUEST
+	bool			bd_make_it_fail;
+#endif
 } __randomize_layout;
 
 #define bdev_whole(_bdev) \
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index b4a5c05593b99c..349cf6403ccddc 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -56,9 +56,6 @@ struct hd_struct {
 	struct block_device *bdev;
 	struct device __dev;
 	int policy, partno;
-#ifdef CONFIG_FAIL_MAKE_REQUEST
-	int make_it_fail;
-#endif
 	struct rcu_work rcu_work;
 };
 
-- 
2.29.2





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