未验证 提交 724bbe49 编写于 作者: M Mikulas Patocka 提交者: Konstantin Komarov

fs/ntfs3: provide block_invalidate_folio to fix memory leak

The ntfs3 filesystem lacks the 'invalidate_folio' method and it causes
memory leak. If you write to the filesystem and then unmount it, the
cached written data are not freed and they are permanently leaked.
Fixes: 7ba13abb ("fs: Turn block_invalidatepage into block_invalidate_folio")
Reported-by: NJosé Luis Lara Carrascal <manualinux@yahoo.es>
Signed-off-by: NMikulas Patocka <mpatocka@redhat.com>
Acked-by: NMatthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: NNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: NKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
Cc: stable@vger.kernel.org  # v5.18
上级 f26967b9
......@@ -1955,6 +1955,7 @@ const struct address_space_operations ntfs_aops = {
.direct_IO = ntfs_direct_IO,
.bmap = ntfs_bmap,
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
};
const struct address_space_operations ntfs_aops_cmpr = {
......
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