[PATCH 14/16] fuse2fs: disable renameat2

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Apparently fuse munged rename and renameat2 together into the same
upcall, so we actually have to filter out nonzero flags because
otherwise we do a regular rename for a RENAME_EXCHANGE/WHITEOUT, which
is not what the user asked for.

Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
 misc/fuse2fs.c |    6 ++++++
 1 file changed, 6 insertions(+)


diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index 7db0a2d1f2d855..420fbfd5db5969 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -1447,6 +1447,12 @@ static int op_rename(const char *from, const char *to
 	struct update_dotdot ud;
 	int ret = 0;
 
+#if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 0)
+	/* renameat2 is not supported */
+	if (flags)
+		return -ENOSYS;
+#endif
+
 	FUSE2FS_CHECK_CONTEXT(ff);
 	fs = ff->fs;
 	dbg_printf(ff, "%s: renaming %s to %s\n", __func__, from, to);





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