From: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx> commit e95113ed4d428219e3395044e29f5713fc446720 upstream. If size of file was reduced, we still kept allocated blocks. This commit makes ntfs3 work as other fs like btrfs. Link: https://bugzilla.kernel.org/show_bug.cgi?id=214719 Fixes: 4342306f0f0d ("fs/ntfs3: Add file operations and implementation") Reported-by: Ganapathi Kamath <hgkamath@xxxxxxxxxxx> Tested-by: Ganapathi Kamath <hgkamath@xxxxxxxxxxx> Reviewed-by: Kari Argillander <kari.argillander@xxxxxxxxx> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/ntfs3/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -494,7 +494,7 @@ static int ntfs_truncate(struct inode *i down_write(&ni->file.run_lock); err = attr_set_size(ni, ATTR_DATA, NULL, 0, &ni->file.run, new_size, - &new_valid, true, NULL); + &new_valid, ni->mi.sbi->options->prealloc, NULL); up_write(&ni->file.run_lock); if (new_valid < ni->i_valid)