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f2fs: Get the superblock from the mapping instead of the page 

It's slightly more efficient to go directly from the mapping to the
superblock than to go from the page.  Now that these routines have
the mapping passed to them, there's no reason not to use it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-03-29 16:27:21 -04:00
parent 0fb5b2ebc0
commit 29c87793eb
2 changed files with 3 additions and 3 deletions
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2
fs/f2fs/checkpoint.c
View File

@ -456,7 +456,7 @@ static bool f2fs_dirty_meta_folio(struct address_space *mapping,
folio_mark_uptodate(folio);
if (!folio_test_dirty(folio)) {
filemap_dirty_folio(mapping, folio);
inc_page_count(F2FS_P_SB(&folio->page), F2FS_DIRTY_META);
inc_page_count(F2FS_M_SB(mapping), F2FS_DIRTY_META);
set_page_private_reference(&folio->page);
return true;
}

4
fs/f2fs/node.c
View File

@ -2146,11 +2146,11 @@ static bool f2fs_dirty_node_folio(struct address_space *mapping,
folio_mark_uptodate(folio);
#ifdef CONFIG_F2FS_CHECK_FS
if (IS_INODE(&folio->page))
f2fs_inode_chksum_set(F2FS_P_SB(&folio->page), &folio->page);
f2fs_inode_chksum_set(F2FS_M_SB(mapping), &folio->page);
#endif
if (!folio_test_dirty(folio)) {
filemap_dirty_folio(mapping, folio);
inc_page_count(F2FS_P_SB(&folio->page), F2FS_DIRTY_NODES);
inc_page_count(F2FS_M_SB(mapping), F2FS_DIRTY_NODES);
set_page_private_reference(&folio->page);
return true;
}