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$NetBSD: patch-vmhgfs-fuse_main.c,v 1.1 2022/01/30 16:22:20 pho Exp $
Workaround for an issue regarding write operations on vmhgfs. See:
https://github.com/vmware/open-vm-tools/issues/437
Ideally this should be worked around by setting fuse_conn_info.max_write to
65457, but it doesn't work on NetBSD because neither PUFFS nor ReFUSE
support it at the moment.
--- vmhgfs-fuse/main.c.orig 2022-01-30 16:00:53.301468031 +0000
+++ vmhgfs-fuse/main.c
@@ -1138,7 +1138,20 @@ hgfs_write(const char *path, //
}
}
- res = HgfsWrite(fi, buf, size, offset);
+ for (res = 0; res < size; ) {
+ int remaining = size - res;
+ int chunkLen = remaining > 65457 ? 65457 : remaining;
+ int nWrote = HgfsWrite(fi, buf + res, chunkLen, offset + res);
+
+ if (nWrote < 0) {
+ res = nWrote; /* An error occured. */
+ break;
+ }
+ else {
+ res += nWrote;
+ }
+ }
+
if (res >= 0) {
/*
* Positive result indicates the number of bytes written.
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