From: Zhang Yi <yi.zhang@huawei.com>
To: <linux-ext4@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <cluster-devel@redhat.com>,
<ntfs3@lists.linux.dev>, <ocfs2-devel@oss.oracle.com>,
<reiserfs-devel@vger.kernel.org>
Cc: <jack@suse.cz>, <tytso@mit.edu>, <akpm@linux-foundation.org>,
<axboe@kernel.dk>, <viro@zeniv.linux.org.uk>,
<rpeterso@redhat.com>, <agruenba@redhat.com>,
<almaz.alexandrovich@paragon-software.com>, <mark@fasheh.com>,
<dushistov@mail.ru>, <hch@infradead.org>, <yi.zhang@huawei.com>,
<chengzhihao1@huawei.com>, <yukuai3@huawei.com>
Subject: [PATCH 14/14] fs/buffer: remove bh_submit_read() helper
Date: Wed, 31 Aug 2022 15:21:11 +0800 [thread overview]
Message-ID: <20220831072111.3569680-15-yi.zhang@huawei.com> (raw)
In-Reply-To: <20220831072111.3569680-1-yi.zhang@huawei.com>
bh_submit_read() has no user anymore, just remove it.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
---
fs/buffer.c | 25 -------------------------
include/linux/buffer_head.h | 1 -
2 files changed, 26 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index d1d09e2dacc2..fa7c2dbcef4c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3029,31 +3029,6 @@ void __bh_read_batch(struct buffer_head *bhs[],
}
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;
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 1c93ff8c8f51..576f3609ac4e 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -230,7 +230,6 @@ int submit_bh(blk_opf_t, struct buffer_head *);
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(struct buffer_head *bhs[],
int nr, blk_opf_t op_flags, bool force_lock);
--
2.31.1
next prev parent reply other threads:[~2022-08-31 7:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-31 7:20 [PATCH 00/14] buffer: remove ll_rw_block() Zhang Yi
2022-08-31 7:20 ` [PATCH 01/14] fs/buffer: remove __breadahead_gfp() Zhang Yi
2022-08-31 10:39 ` Jan Kara
2022-08-31 7:20 ` [PATCH 02/14] fs/buffer: add some new buffer read helpers Zhang Yi
2022-08-31 11:30 ` Jan Kara
2022-08-31 13:11 ` Zhang Yi
2022-08-31 7:21 ` [PATCH 03/14] fs/buffer: replace ll_rw_block() Zhang Yi
2022-08-31 10:51 ` Jan Kara
2022-08-31 7:21 ` [PATCH 04/14] gfs2: " Zhang Yi
2022-08-31 10:52 ` Jan Kara
2022-08-31 7:21 ` [PATCH 05/14] isofs: " Zhang Yi
2022-08-31 10:53 ` Jan Kara
2022-08-31 7:21 ` [PATCH 06/14] jbd2: " Zhang Yi
2022-08-31 10:58 ` Jan Kara
2022-08-31 7:21 ` [PATCH 07/14] ntfs3: " Zhang Yi
2022-08-31 10:59 ` Jan Kara
2022-08-31 7:21 ` [PATCH 08/14] ocfs2: " Zhang Yi
2022-08-31 11:31 ` Jan Kara
2022-08-31 7:21 ` [PATCH 09/14] reiserfs: " Zhang Yi
2022-08-31 11:04 ` Jan Kara
2022-08-31 7:21 ` [PATCH 10/14] udf: " Zhang Yi
2022-08-31 11:05 ` Jan Kara
2022-08-31 7:21 ` [PATCH 11/14] ufs: " Zhang Yi
2022-08-31 11:06 ` Jan Kara
2022-08-31 7:21 ` [PATCH 12/14] fs/buffer: remove ll_rw_block() helper Zhang Yi
2022-08-31 11:06 ` Jan Kara
2022-08-31 7:21 ` [PATCH 13/14] ext2: replace bh_submit_read() helper with bh_read_locked() Zhang Yi
2022-08-31 11:15 ` Jan Kara
2022-08-31 7:21 ` Zhang Yi [this message]
2022-08-31 11:16 ` [PATCH 14/14] fs/buffer: remove bh_submit_read() helper Jan Kara
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