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fuse: Convert fuse_write_end() to use a folio

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Convert the passed page to a folio and operate on that.
Replaces five calls to compound_head() with one.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-07-10 16:42:35 -04:00 committed by Christian Brauner
parent dfd2e81d37
commit 556d0ac068
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 8 additions and 7 deletions
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15
fs/fuse/file.c
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@ -2434,29 +2434,30 @@ static int fuse_write_end(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
struct inode *inode = page->mapping->host;
struct folio *folio = page_folio(page);
struct inode *inode = folio->mapping->host;
/* Haven't copied anything? Skip zeroing, size extending, dirtying. */
if (!copied)
goto unlock;
pos += copied;
if (!PageUptodate(page)) {
if (!folio_test_uptodate(folio)) {
/* Zero any unwritten bytes at the end of the page */
size_t endoff = pos & ~PAGE_MASK;
if (endoff)
zero_user_segment(page, endoff, PAGE_SIZE);
SetPageUptodate(page);
folio_zero_segment(folio, endoff, PAGE_SIZE);
folio_mark_uptodate(folio);
}
if (pos > inode->i_size)
i_size_write(inode, pos);
set_page_dirty(page);
folio_mark_dirty(folio);
unlock:
unlock_page(page);
put_page(page);
folio_unlock(folio);
folio_put(folio);
return copied;
}