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| author | Matthew Wilcox <willy@infradead.org> | 2023-03-24 18:01:27 +0000 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-04-06 13:39:52 -0400 |
| commit | 3060b6ef05603cf3c05b2b746f739b0169bd75f9 (patch) | |
| tree | b70ee86fe57f3c3c7cc17447eaaa069864ef7f76 /fs/ext4/move_extent.c | |
| parent | f2b229a8c6c2633c35cb7446cfabea5a6f721edc (diff) | |
| download | linux-3060b6ef05603cf3c05b2b746f739b0169bd75f9.tar.gz linux-3060b6ef05603cf3c05b2b746f739b0169bd75f9.tar.bz2 linux-3060b6ef05603cf3c05b2b746f739b0169bd75f9.zip | |
ext4: Convert mext_page_mkuptodate() to take a folio
Use a folio throughout. Does not support large folios due to
an array sized for MAX_BUF_PER_PAGE, but it does remove a few
calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20230324180129.1220691-28-willy@infradead.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/move_extent.c')
| -rw-r--r-- | fs/ext4/move_extent.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 0cb361f0a4fe..e509c22a21ed 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -168,25 +168,27 @@ mext_folio_double_lock(struct inode *inode1, struct inode *inode2, /* Force page buffers uptodate w/o dropping page's lock */ static int -mext_page_mkuptodate(struct page *page, unsigned from, unsigned to) +mext_page_mkuptodate(struct folio *folio, unsigned from, unsigned to) { - struct inode *inode = page->mapping->host; + struct inode *inode = folio->mapping->host; sector_t block; struct buffer_head *bh, *head, *arr[MAX_BUF_PER_PAGE]; unsigned int blocksize, block_start, block_end; int i, err, nr = 0, partial = 0; - BUG_ON(!PageLocked(page)); - BUG_ON(PageWriteback(page)); + BUG_ON(!folio_test_locked(folio)); + BUG_ON(folio_test_writeback(folio)); - if (PageUptodate(page)) + if (folio_test_uptodate(folio)) return 0; blocksize = i_blocksize(inode); - if (!page_has_buffers(page)) - create_empty_buffers(page, blocksize, 0); + head = folio_buffers(folio); + if (!head) { + create_empty_buffers(&folio->page, blocksize, 0); + head = folio_buffers(folio); + } - head = page_buffers(page); - block = (sector_t)page->index << (PAGE_SHIFT - inode->i_blkbits); + block = (sector_t)folio->index << (PAGE_SHIFT - inode->i_blkbits); for (bh = head, block_start = 0; bh != head || !block_start; block++, block_start = block_end, bh = bh->b_this_page) { block_end = block_start + blocksize; @@ -200,11 +202,11 @@ mext_page_mkuptodate(struct page *page, unsigned from, unsigned to) if (!buffer_mapped(bh)) { err = ext4_get_block(inode, block, bh, 0); if (err) { - SetPageError(page); + folio_set_error(folio); return err; } if (!buffer_mapped(bh)) { - zero_user(page, block_start, blocksize); + folio_zero_range(folio, block_start, blocksize); set_buffer_uptodate(bh); continue; } @@ -226,7 +228,7 @@ mext_page_mkuptodate(struct page *page, unsigned from, unsigned to) } out: if (!partial) - SetPageUptodate(page); + folio_mark_uptodate(folio); return 0; } @@ -354,7 +356,7 @@ again: goto unlock_folios; } data_copy: - *err = mext_page_mkuptodate(&folio[0]->page, from, from + replaced_size); + *err = mext_page_mkuptodate(folio[0], from, from + replaced_size); if (*err) goto unlock_folios; |