linux-ext4 - [PATCH 11/29] fuse2fs: enable processing of acls in the kernel

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Message-ID: <174786677747.1383760.17294624757826456720.stgit@frogsfrogsfrogs>
Date: Wed, 21 May 2025 15:37:47 -0700
From: "Darrick J. Wong" <djwong@...nel.org>
To: tytso@....edu
Cc: linux-ext4@...r.kernel.org
Subject: [PATCH 11/29] fuse2fs: enable processing of acls in the kernel

From: Darrick J. Wong <djwong@...nel.org>

Let the kernel process ACLs.

Signed-off-by: "Darrick J. Wong" <djwong@...nel.org>
---
 misc/fuse2fs.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index a0e5d601e55877..ce5314fa439090 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -4141,9 +4141,15 @@ int main(int argc, char *argv[])
 #endif
 	}

-	if (fctx.kernel)
+	if (fctx.kernel) {
+		/*
+		 * ACLs are always enforced when kernel mode is enabled, to
+		 * match the kernel ext4 driver which always enables ACLs.
+		 */
+		fctx.acl = 1;
 		fuse_opt_insert_arg(&args, 1,
  "-oallow_other,default_permissions,suid,dev");
+	}

 	if (fctx.debug) {
 		int	i;