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Date: Thu, 1 Sep 2022 21:35:05 +0800 From: Zhang Yi <yi.zhang@...wei.com> To: <linux-ext4@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <cluster-devel@...hat.com>, <ntfs3@...ts.linux.dev>, <ocfs2-devel@....oracle.com>, <reiserfs-devel@...r.kernel.org>, <jack@...e.cz> CC: <tytso@....edu>, <akpm@...ux-foundation.org>, <axboe@...nel.dk>, <viro@...iv.linux.org.uk>, <rpeterso@...hat.com>, <agruenba@...hat.com>, <almaz.alexandrovich@...agon-software.com>, <mark@...heh.com>, <dushistov@...l.ru>, <hch@...radead.org>, <yi.zhang@...wei.com>, <chengzhihao1@...wei.com>, <yukuai3@...wei.com> Subject: [PATCH v2 14/14] fs/buffer: remove bh_submit_read() helper bh_submit_read() has no user anymore, just remove it. Signed-off-by: Zhang Yi <yi.zhang@...wei.com> Reviewed-by: Jan Kara <jack@...e.cz> --- 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 2cccc7586b99..b4c9fff3ab6c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3025,31 +3025,6 @@ void __bh_read_batch(int nr, 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 b415d8bc2a09..9b6556d3f110 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(int nr, struct buffer_head *bhs[], blk_opf_t op_flags, bool force_lock); -- 2.31.1
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