linux-kernel - [PATCH v13 50/59] ceph: disable fallocate for encrypted inodes

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Date:   Tue,  5 Apr 2022 15:20:21 -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: [PATCH v13 50/59] 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 175a59277726..f74563e11058 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2207,6 +2207,9 @@ 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