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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-12-15 21:43:57 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 17:12:40 -0800 |
| commit | cf1d3417e634b2b2dd162a7e193af9a9d700431b (patch) | |
| tree | 0e4d5ba56ccf0497715d1b6a4219019a6b446f59 /fs/buffer.c | |
| parent | c10d91194d5d630a0befc7bc116aba3cfda8a226 (diff) | |
| download | lwn-cf1d3417e634b2b2dd162a7e193af9a9d700431b.tar.gz lwn-cf1d3417e634b2b2dd162a7e193af9a9d700431b.zip | |
buffer: use b_folio in mark_buffer_dirty()
Removes about four calls to compound_head(). Two of them are inline which
removes 132 bytes from the kernel text.
Link: https://lkml.kernel.org/r/20221215214402.3522366-8-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index c44ca40530c3..7e42d67bcaad 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1095,16 +1095,16 @@ void mark_buffer_dirty(struct buffer_head *bh) } if (!test_set_buffer_dirty(bh)) { - struct page *page = bh->b_page; + struct folio *folio = bh->b_folio; struct address_space *mapping = NULL; - lock_page_memcg(page); - if (!TestSetPageDirty(page)) { - mapping = page_mapping(page); + folio_memcg_lock(folio); + if (!folio_test_set_dirty(folio)) { + mapping = folio->mapping; if (mapping) - __set_page_dirty(page, mapping, 0); + __folio_mark_dirty(folio, mapping, 0); } - unlock_page_memcg(page); + folio_memcg_unlock(folio); if (mapping) __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); } |