From: Christoph Hellwig <hch@infradead.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, Jan Kara <jack@suse.com>,
David Howells <dhowells@redhat.com>
Subject: Re: [PATCH 08/12] writeback: Factor writeback_get_folio() out of write_cache_pages()
Date: Mon, 26 Jun 2023 21:34:17 -0700 [thread overview]
Message-ID: <ZJpmybS4av40w87L@infradead.org> (raw)
In-Reply-To: <20230626173521.459345-9-willy@infradead.org>
> + for (;;) {
> + folio = writeback_get_next(mapping, wbc);
> + if (!folio)
> + return NULL;
> + wbc->done_index = folio->index;
> +
> + folio_lock(folio);
> + if (likely(should_writeback_folio(mapping, wbc, folio)))
> + break;
> + folio_unlock(folio);
> + }
> +
> + trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));
> + return folio;
Same minor nitpick, why not:
while ((folio = writeback_get_next(mapping, wbc)) {
wbc->done_index = folio->index;
folio_lock(folio);
if (likely(should_writeback_folio(mapping, wbc, folio))) {
trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));
break;
}
folio_unlock(folio);
}
return folio;
?
next prev parent reply other threads:[~2023-06-27 4:34 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-26 17:35 [PATCH 00/12] Convert write_cache_pages() to an iterator Matthew Wilcox (Oracle)
2023-06-26 17:35 ` [PATCH 01/12] writeback: Factor out writeback_finish() Matthew Wilcox (Oracle)
2023-06-27 4:05 ` Christoph Hellwig
2023-06-26 17:35 ` [PATCH 02/12] writeback: Factor writeback_get_batch() out of write_cache_pages() Matthew Wilcox (Oracle)
2023-06-26 17:35 ` [PATCH 03/12] writeback: Factor should_writeback_folio() " Matthew Wilcox (Oracle)
2023-06-27 4:12 ` Christoph Hellwig
2023-06-27 11:16 ` Matthew Wilcox
2023-06-27 14:48 ` Matthew Wilcox
2023-06-26 17:35 ` [PATCH 04/12] writeback: Simplify the loops in write_cache_pages() Matthew Wilcox (Oracle)
2023-06-27 4:16 ` Christoph Hellwig
2023-06-26 17:35 ` [PATCH 05/12] pagevec: Add ability to iterate a queue Matthew Wilcox (Oracle)
2023-06-26 17:35 ` [PATCH 06/12] writeback: Use the folio_batch queue iterator Matthew Wilcox (Oracle)
2023-06-27 4:25 ` Christoph Hellwig
2023-06-26 17:35 ` [PATCH 07/12] writeback: Factor writeback_iter_init() out of write_cache_pages() Matthew Wilcox (Oracle)
2023-06-27 4:30 ` Christoph Hellwig
2023-06-27 4:31 ` Christoph Hellwig
2023-06-27 11:08 ` Matthew Wilcox
2023-06-26 17:35 ` [PATCH 08/12] writeback: Factor writeback_get_folio() " Matthew Wilcox (Oracle)
2023-06-27 4:34 ` Christoph Hellwig [this message]
2023-06-27 15:25 ` Matthew Wilcox
2023-06-26 17:35 ` [PATCH 09/12] writeback: Factor writeback_iter_next() " Matthew Wilcox (Oracle)
2023-06-27 4:39 ` Christoph Hellwig
2023-06-27 15:31 ` Matthew Wilcox
2023-06-27 16:28 ` Christoph Hellwig
2023-06-28 9:10 ` Jan Kara
2023-06-26 17:35 ` [PATCH 10/12] writeback: Add for_each_writeback_folio() Matthew Wilcox (Oracle)
2023-06-26 17:35 ` [PATCH 11/12] iomap: Convert iomap_writepages() to use for_each_writeback_folio() Matthew Wilcox (Oracle)
2023-06-26 17:35 ` [PATCH 12/12] writeback: Remove a use of write_cache_pages() from do_writepages() Matthew Wilcox (Oracle)
2023-06-27 4:03 ` [PATCH 00/12] Convert write_cache_pages() to an iterator Christoph Hellwig
2023-06-27 10:53 ` David Howells
2023-06-28 19:31 ` Matthew Wilcox
2023-12-12 7:46 ` Christoph Hellwig
2023-06-28 20:03 ` David Howells
2023-07-04 18:08 ` Matthew Wilcox
2023-11-21 5:18 ` Christoph Hellwig
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