fs/ntfs3: drop preallocated clusters for sparse and compressed files

Do not keep preallocated clusters for sparsed and compressed files.
Preserving preallocation in these cases causes fsx failures when running
with sparse files and preallocation enabled.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c
index c45880ab2391277327494b8016d23e3cc066de47..0cd15a0983fee3d49a49c01f217324cc575ad4c3 100644 (file)
--- a/fs/ntfs3/attrib.c
+++ b/fs/ntfs3/attrib.c
@@ -448,8 +448,10 @@ again:
 
        is_ext = is_attr_ext(attr_b);
        align = sbi->cluster_size;
-       if (is_ext)
+       if (is_ext) {
                align <<= attr_b->nres.c_unit;
+               keep_prealloc = false;
+       }
 
        old_valid = le64_to_cpu(attr_b->nres.valid_size);
        old_size = le64_to_cpu(attr_b->nres.data_size);