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From:   Zhang Yi <yi.zhang@huawei.com>
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Subject: [PATCH 01/14] fs/buffer: remove __breadahead_gfp()
Date:   Wed, 31 Aug 2022 15:20:58 +0800
Message-ID: <20220831072111.3569680-2-yi.zhang@huawei.com>
In-Reply-To: <20220831072111.3569680-1-yi.zhang@huawei.com>
References: <20220831072111.3569680-1-yi.zhang@huawei.com>
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No one use __breadahead_gfp() and sb_breadahead_unmovable() any more,
remove them.

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
---
 fs/buffer.c                 | 11 -----------
 include/linux/buffer_head.h |  8 --------
 2 files changed, 19 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 55e762a58eb6..a0b70b3239f3 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1348,17 +1348,6 @@ void __breadahead(struct block_device *bdev, sector_t block, unsigned size)
 }
 EXPORT_SYMBOL(__breadahead);
 
-void __breadahead_gfp(struct block_device *bdev, sector_t block, unsigned size,
-		      gfp_t gfp)
-{
-	struct buffer_head *bh = __getblk_gfp(bdev, block, size, gfp);
-	if (likely(bh)) {
-		ll_rw_block(REQ_OP_READ | REQ_RAHEAD, 1, &bh);
-		brelse(bh);
-	}
-}
-EXPORT_SYMBOL(__breadahead_gfp);
-
 /**
  *  __bread_gfp() - reads a specified block and returns the bh
  *  @bdev: the block_device to read from
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 089c9ade4325..c3863c417b00 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -214,8 +214,6 @@ struct buffer_head *__getblk_gfp(struct block_device *bdev, sector_t block,
 void __brelse(struct buffer_head *);
 void __bforget(struct buffer_head *);
 void __breadahead(struct block_device *, sector_t block, unsigned int size);
-void __breadahead_gfp(struct block_device *, sector_t block, unsigned int size,
-		  gfp_t gfp);
 struct buffer_head *__bread_gfp(struct block_device *,
 				sector_t block, unsigned size, gfp_t gfp);
 void invalidate_bh_lrus(void);
@@ -340,12 +338,6 @@ sb_breadahead(struct super_block *sb, sector_t block)
 	__breadahead(sb->s_bdev, block, sb->s_blocksize);
 }
 
-static inline void
-sb_breadahead_unmovable(struct super_block *sb, sector_t block)
-{
-	__breadahead_gfp(sb->s_bdev, block, sb->s_blocksize, 0);
-}
-
 static inline struct buffer_head *
 sb_getblk(struct super_block *sb, sector_t block)
 {
-- 
2.31.1