From: Matt Joiner <anacrolix@gmail.com>
Date: Fri, 15 Aug 2025 01:10:28 +0000 (+1000)
Subject: Add TODO on SEEK_DATA
X-Git-Tag: v1.59.0~1
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=7db746fd40e71cfca39404f813645eb8b6499559;p=btrtrc.git

Add TODO on SEEK_DATA
---

diff --git a/storage/sys_unix.go b/storage/sys_unix.go
index 625f420f..f294598c 100644
--- a/storage/sys_unix.go
+++ b/storage/sys_unix.go
@@ -12,6 +12,7 @@ import (
 
 func seekData(f *os.File, offset int64) (ret int64, err error) {
 	ret, err = unix.Seek(int(f.Fd()), offset, unix.SEEK_DATA)
+	// TODO: Handle filesystems that don't support sparse files.
 	if err == unix.ENXIO {
 		// File has no more data. Treat as short write like io.CopyN.
 		err = io.EOF