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ntfs3: Convert ntfs_write_end() to work on a folio

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Convert the passed page back into a folio and use the folio APIs, saving
a few hidden calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-04-22 20:31:54 +01:00 committed by Konstantin Komarov
parent ab055cf9db
commit 0c1a156644
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GPG Key ID: A9B0331F832407B6
1 changed files with 8 additions and 7 deletions
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15
fs/ntfs3/inode.c
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@ -950,6 +950,7 @@ out:
int ntfs_write_end(struct file *file, struct address_space *mapping, loff_t pos,
u32 len, u32 copied, struct page *page, void *fsdata)
{
struct folio *folio = page_folio(page);
struct inode *inode = mapping->host;
struct ntfs_inode *ni = ntfs_i(inode);
u64 valid = ni->i_valid;
@ -961,23 +962,23 @@ int ntfs_write_end(struct file *file, struct address_space *mapping, loff_t pos,
err = attr_data_write_resident(ni, page);
ni_unlock(ni);
if (!err) {
struct buffer_head *head = folio_buffers(folio);
dirty = true;
/* Clear any buffers in page. */
if (page_has_buffers(page)) {
struct buffer_head *head, *bh;
/* Clear any buffers in folio. */
if (head) {
struct buffer_head *bh = head;
bh = head = page_buffers(page);
do {
clear_buffer_dirty(bh);
clear_buffer_mapped(bh);
set_buffer_uptodate(bh);
} while (head != (bh = bh->b_this_page));
}
SetPageUptodate(page);
folio_mark_uptodate(folio);
err = copied;
}
unlock_page(page);
put_page(page);
folio_unlock(folio);
folio_put(folio);
} else {
err = generic_write_end(file, mapping, pos, len, copied, page,
fsdata);