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authorMatthew Wilcox2023-03-24 18:01:27 +0000
committerTheodore Ts'o2023-04-06 13:39:52 -0400
commit3060b6ef05603cf3c05b2b746f739b0169bd75f9 (patch)
treeb70ee86fe57f3c3c7cc17447eaaa069864ef7f76 /fs/ext4
parentf2b229a8c6c2633c35cb7446cfabea5a6f721edc (diff)
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')
-rw-r--r--fs/ext4/move_extent.c28
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;