[merged mm-stable] fs-buffer-remove-bh_submit_read-helper.patch removed from -mm tree

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The quilt patch titled
     Subject: fs/buffer: remove bh_submit_read() helper
has been removed from the -mm tree.  Its filename was
     fs-buffer-remove-bh_submit_read-helper.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Zhang Yi <yi.zhang@xxxxxxxxxx>
Subject: fs/buffer: remove bh_submit_read() helper
Date: Thu, 1 Sep 2022 21:35:05 +0800

bh_submit_read() has no user anymore, just remove it.

Link: https://lkml.kernel.org/r/20220901133505.2510834-15-yi.zhang@xxxxxxxxxx
Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/buffer.c                 |   25 -------------------------
 include/linux/buffer_head.h |    1 -
 2 files changed, 26 deletions(-)

--- a/fs/buffer.c~fs-buffer-remove-bh_submit_read-helper
+++ a/fs/buffer.c
@@ -3025,31 +3025,6 @@ void __bh_read_batch(int nr, struct buff
 }
 EXPORT_SYMBOL(__bh_read_batch);
 
-/**
- * bh_submit_read - Submit a locked buffer for reading
- * @bh: struct buffer_head
- *
- * Returns zero on success and -EIO on error.
- */
-int bh_submit_read(struct buffer_head *bh)
-{
-	BUG_ON(!buffer_locked(bh));
-
-	if (buffer_uptodate(bh)) {
-		unlock_buffer(bh);
-		return 0;
-	}
-
-	get_bh(bh);
-	bh->b_end_io = end_buffer_read_sync;
-	submit_bh(REQ_OP_READ, bh);
-	wait_on_buffer(bh);
-	if (buffer_uptodate(bh))
-		return 0;
-	return -EIO;
-}
-EXPORT_SYMBOL(bh_submit_read);
-
 void __init buffer_init(void)
 {
 	unsigned long nrpages;
--- a/include/linux/buffer_head.h~fs-buffer-remove-bh_submit_read-helper
+++ a/include/linux/buffer_head.h
@@ -230,7 +230,6 @@ int submit_bh(blk_opf_t, struct buffer_h
 void write_boundary_block(struct block_device *bdev,
 			sector_t bblock, unsigned blocksize);
 int bh_uptodate_or_lock(struct buffer_head *bh);
-int bh_submit_read(struct buffer_head *bh);
 int __bh_read(struct buffer_head *bh, blk_opf_t op_flags, bool wait);
 void __bh_read_batch(int nr, struct buffer_head *bhs[],
 		     blk_opf_t op_flags, bool force_lock);
_

Patches currently in -mm which might be from yi.zhang@xxxxxxxxxx are





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