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nilfs2: convert nilfs_mdt_write_page() to use a folio

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Convert the incoming page to a folio.  Replaces three calls to
compound_head() with one.

Link: https://lkml.kernel.org/r/20231114084436.2755-8-konishi.ryusuke@gmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-11-14 17:44:23 +09:00 committed by Andrew Morton
parent b7ef8d3b2d
commit 021cff9df6
1 changed files with 7 additions and 6 deletions
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13
fs/nilfs2/mdt.c
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@ -399,7 +399,8 @@ int nilfs_mdt_fetch_dirty(struct inode *inode)
static int
nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
{
struct inode *inode = page->mapping->host;
struct folio *folio = page_folio(page);
struct inode *inode = folio->mapping->host;
struct super_block *sb;
int err = 0;
@ -407,16 +408,16 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
/*
* It means that filesystem was remounted in read-only
* mode because of error or metadata corruption. But we
* have dirty pages that try to be flushed in background.
* So, here we simply discard this dirty page.
* have dirty folios that try to be flushed in background.
* So, here we simply discard this dirty folio.
*/
nilfs_clear_dirty_page(page, false);
unlock_page(page);
folio_unlock(folio);
return -EROFS;
}
redirty_page_for_writepage(wbc, page);
unlock_page(page);
folio_redirty_for_writepage(wbc, folio);
folio_unlock(folio);
if (!inode)
return 0;