fs/ntfs3: Keep preallocated only if option prealloc enabled

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@hotmail.com>
Tested-by: Ganapathi Kamath <hgkamath@hotmail.com>
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index 0bffd84ba8dd4bcbb6286a99ce11903096d3ac09..1eb5d88e661c79ecb3307ad9404ebb16c2e3532a 100644 (file)
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -495,7 +495,7 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
 
        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)