efs: Convert efs_symlink_read_folio to use a folio

Remove the conversion back into a page and use the folio APIs throughout.
Remove the setting of PG_error instead of converting it; it is unused
by core code or by the rest of EFS, so it serves no purpose here.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20240530202110.2653630-5-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-05-30 21:20:56 +01:00 committed by Christian Brauner
parent def27a2054
commit 09da047e55
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@ -14,10 +14,9 @@
static int efs_symlink_read_folio(struct file *file, struct folio *folio)
{
struct page *page = &folio->page;
char *link = page_address(page);
struct buffer_head * bh;
struct inode * inode = page->mapping->host;
char *link = folio_address(folio);
struct buffer_head *bh;
struct inode *inode = folio->mapping->host;
efs_block_t size = inode->i_size;
int err;
@ -40,12 +39,9 @@ static int efs_symlink_read_folio(struct file *file, struct folio *folio)
brelse(bh);
}
link[size] = '\0';
SetPageUptodate(page);
unlock_page(page);
return 0;
err = 0;
fail:
SetPageError(page);
unlock_page(page);
folio_end_read(folio, err == 0);
return err;
}