linux-kernel - [RFC PATCH v11 42/51] ceph: disable fallocate for encrypted inodes

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Message-Id: <20220322141316.41325-43-jlayton@kernel.org>
Date:   Tue, 22 Mar 2022 10:13:07 -0400
From:   Jeff Layton <jlayton@...nel.org>
To:     idryomov@...il.com, xiubli@...hat.com
Cc:     ceph-devel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, linux-kernel@...r.kernel.org,
        lhenriques@...e.de
Subject: [RFC PATCH v11 42/51] ceph: disable fallocate for encrypted inodes

...hopefully, just for now.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/ceph/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 1985e3102533..00e6a5bc37c8 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2203,6 +2203,9 @@ static long ceph_fallocate(struct file *file, int mode,
 	if (!S_ISREG(inode->i_mode))
 		return -EOPNOTSUPP;
 
+	if (IS_ENCRYPTED(inode))
+		return -EOPNOTSUPP;
+
 	prealloc_cf = ceph_alloc_cap_flush();
 	if (!prealloc_cf)
 		return -ENOMEM;
-- 
2.35.1