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-rw-r--r--include/linux/fs.h4
-rw-r--r--mm/filemap.c2
-rw-r--r--mm/truncate.c2
3 files changed, 3 insertions, 5 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9346adf28f7b..2788df98080f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2975,8 +2975,8 @@ static inline ssize_t generic_write_sync(struct kiocb *iocb, ssize_t count)
} else if (iocb->ki_flags & IOCB_DONTCACHE) {
struct address_space *mapping = iocb->ki_filp->f_mapping;
- filemap_fdatawrite_range_kick(mapping, iocb->ki_pos,
- iocb->ki_pos + count);
+ filemap_fdatawrite_range_kick(mapping, iocb->ki_pos - count,
+ iocb->ki_pos - 1);
}
return count;
diff --git a/mm/filemap.c b/mm/filemap.c
index 804d7365680c..d4564a79eb35 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -445,7 +445,7 @@ EXPORT_SYMBOL(filemap_fdatawrite_range);
* filemap_fdatawrite_range_kick - start writeback on a range
* @mapping: target address_space
* @start: index to start writeback on
- * @end: last (non-inclusive) index for writeback
+ * @end: last (inclusive) index for writeback
*
* This is a non-integrity writeback helper, to start writing back folios
* for the indicated range.
diff --git a/mm/truncate.c b/mm/truncate.c
index e2e115adfbc5..76d8fcd89bd0 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -548,8 +548,6 @@ int folio_unmap_invalidate(struct address_space *mapping, struct folio *folio,
VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio);
- if (folio_test_dirty(folio))
- return 0;
if (folio_mapped(folio))
unmap_mapping_folio(folio);
BUG_ON(folio_mapped(folio));