[PATCH 1/4] fs/ntfs3: Keep preallocated only if option prealloc enabled

From: Konstantin Komarov
Date: Fri Oct 22 2021 - 11:54:43 EST


If size of file was reduced, we still kept allocated blocks.
This commit makes ntfs3 work as other fs like btrfs.
https://bugzilla.kernel.org/show_bug.cgi?id=214719
Fixes: 4342306f0f0d ("fs/ntfs3: Add file operations and implementation")

Reported-by: Ganapathi Kamath
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
---
fs/ntfs3/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index 43b1451bff53..3ac0482c6880 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -494,7 +494,7 @@ 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)
--
2.33.0