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bcachefs: stop using write_cache_pages

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Stop using the obsolete write_cache_pages and use writeback_iter directly.
This basically just open codes write_cache_pages without the indirect
call, but there's probably ways to structure the code even nicer as a
follow on.

Link: https://lkml.kernel.org/r/20250818061017.1526853-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2025-08-18 08:10:09 +02:00 committed by Andrew Morton
parent 8d4bb46ba7
commit e34b21ba15
1 changed files with 12 additions and 1 deletions
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13
fs/bcachefs/fs-io-buffered.c
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@ -655,6 +655,17 @@ static int __bch2_writepage(struct folio *folio,
return 0;
}
static int bch2_write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, void *data)
{
struct folio *folio = NULL;
int error;
while ((folio = writeback_iter(mapping, wbc, folio, &error)))
error = __bch2_writepage(folio, wbc, data);
return error;
}
int bch2_writepages(struct address_space *mapping, struct writeback_control *wbc)
{
struct bch_fs *c = mapping->host->i_sb->s_fs_info;
@ -663,7 +674,7 @@ int bch2_writepages(struct address_space *mapping, struct writeback_control *wbc
bch2_inode_opts_get(&w->opts, c, &to_bch_ei(mapping->host)->ei_inode);
blk_start_plug(&w->plug);
int ret = write_cache_pages(mapping, wbc, __bch2_writepage, w);
int ret = bch2_write_cache_pages(mapping, wbc, w);
if (w->io)
bch2_writepage_do_io(w);
blk_finish_plug(&w->plug);