fallocate05: Deallocate whole file on bcachefs

The default deallocation size is likely too small for bcachefs to actually release the blocks. Since it is also a copy-on-write filesystem, deallocated the whole file like on Btrfs. Signed-off-by: Martin Doucha <[email protected]> Reviewed-by: Li Wang <[email protected]> Reviewed-by: Petr Vorel <[email protected]>
linux-test-project · Sep 10, 2024 · cc9730e · cc9730e
1 parent 2c565b4
commit cc9730e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/testcases/kernel/syscalls/fallocate/fallocate05.c b/testcases/kernel/syscalls/fallocate/fallocate05.c
@@ -114,7 +114,8 @@ static void run(void)
 	tst_res(TPASS, "fallocate() on full FS");
 
 	/* Btrfs deallocates only complete extents, not individual blocks */
-	if (!strcmp(tst_device->fs_type, "btrfs"))
+	if (!strcmp(tst_device->fs_type, "btrfs") ||
+		!strcmp(tst_device->fs_type, "bcachefs"))
 		holesize = bufsize + extsize;
 	else
 		holesize = DEALLOCATE_BLOCKS * blocksize;