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remap_range: Remove check of uptodate flag 

read_mapping_folio() returns an ERR_PTR if the folio is not
uptodate, so this check is simply dead code.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-05-17 23:29:06 -04:00
parent 771075e15e
commit da028b6b64
1 changed files with 1 additions and 10 deletions
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11
fs/remap_range.c
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@ -148,16 +148,7 @@ static int generic_remap_check_len(struct inode *inode_in,
/* Read a page's worth of file data into the page cache. */
static struct folio *vfs_dedupe_get_folio(struct file *file, loff_t pos)
{
struct folio *folio;
folio = read_mapping_folio(file->f_mapping, pos >> PAGE_SHIFT, file);
if (IS_ERR(folio))
return folio;
if (!folio_test_uptodate(folio)) {
folio_put(folio);
return ERR_PTR(-EIO);
}
return folio;
return read_mapping_folio(file->f_mapping, pos >> PAGE_SHIFT, file);
}
/*