From: Ritesh Harjani (IBM) Date: Thu, 18 Aug 2022 05:04:39 +0000 (+0530) Subject: fs/buffer: drop useless return value of submit_bh X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ab620620bf426af110093c5921888c0a4bf86ab4;p=linux.git fs/buffer: drop useless return value of submit_bh submit_bh always returns 0. This patch drops the useless return value of submit_bh from __sync_dirty_buffer(). Once all of submit_bh callers are cleaned up, we can make it's return type as void. Signed-off-by: Ritesh Harjani (IBM) Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/a98a6ddfac68f73d684c2724952e825bc1f4d238.1660788334.git.ritesh.list@gmail.com Signed-off-by: Theodore Ts'o --- diff --git a/fs/buffer.c b/fs/buffer.c index 55e762a58eb65..c21b72c06eb0d 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2801,8 +2801,6 @@ EXPORT_SYMBOL(write_dirty_buffer); */ int __sync_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags) { - int ret = 0; - WARN_ON(atomic_read(&bh->b_count) < 1); lock_buffer(bh); if (test_clear_buffer_dirty(bh)) { @@ -2817,14 +2815,14 @@ int __sync_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags) get_bh(bh); bh->b_end_io = end_buffer_write_sync; - ret = submit_bh(REQ_OP_WRITE | op_flags, bh); + submit_bh(REQ_OP_WRITE | op_flags, bh); wait_on_buffer(bh); - if (!ret && !buffer_uptodate(bh)) - ret = -EIO; + if (!buffer_uptodate(bh)) + return -EIO; } else { unlock_buffer(bh); } - return ret; + return 0; } EXPORT_SYMBOL(__sync_dirty_buffer);