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From: Jeff Layton <jlayton@kernel.org>
To: ceph-devel@vger.kernel.org
Cc: linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: [RFC PATCH v5 13/19] ceph: properly set DCACHE_NOKEY_NAME flag in lookup
Date: Fri, 26 Mar 2021 13:32:21 -0400
Message-ID: <20210326173227.96363-14-jlayton@kernel.org> (raw)
In-Reply-To: <20210326173227.96363-1-jlayton@kernel.org>

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ceph/dir.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 496d24b003dd..72728850e96c 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -755,6 +755,17 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 	if (dentry->d_name.len > NAME_MAX)
 		return ERR_PTR(-ENAMETOOLONG);
 
+	if (IS_ENCRYPTED(dir)) {
+		err = __fscrypt_prepare_readdir(dir);
+		if (err)
+			return ERR_PTR(err);
+		if (!fscrypt_has_encryption_key(dir)) {
+			spin_lock(&dentry->d_lock);
+			dentry->d_flags |= DCACHE_NOKEY_NAME;
+			spin_unlock(&dentry->d_lock);
+		}
+	}
+
 	/* can we conclude ENOENT locally? */
 	if (d_really_is_negative(dentry)) {
 		struct ceph_inode_info *ci = ceph_inode(dir);
-- 
2.30.2


  parent reply index

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26 17:32 [RFC PATCH v5 00/19] ceph+fscrypt: context, filename and symlink support Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 01/19] vfs: export new_inode_pseudo Jeff Layton
2021-04-08  1:08   ` Eric Biggers
2021-04-08 16:18     ` Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 02/19] fscrypt: export fscrypt_base64_encode and fscrypt_base64_decode Jeff Layton
2021-04-08  1:06   ` Eric Biggers
2021-04-08 16:22     ` Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 03/19] fscrypt: export fscrypt_fname_encrypt and fscrypt_fname_encrypted_size Jeff Layton
2021-04-08  1:19   ` Eric Biggers
2021-03-26 17:32 ` [RFC PATCH v5 04/19] fscrypt: add fscrypt_context_for_new_inode Jeff Layton
2021-04-08  1:21   ` Eric Biggers
2021-04-08 16:27     ` Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 05/19] ceph: crypto context handling for ceph Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 06/19] ceph: implement -o test_dummy_encryption mount option Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 07/19] ceph: preallocate inode for ops that may create one Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 08/19] ceph: add routine to create fscrypt context prior to RPC Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 09/19] ceph: make ceph_msdc_build_path use ref-walk Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 10/19] ceph: add encrypted fname handling to ceph_mdsc_build_path Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 11/19] ceph: decode alternate_name in lease info Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 12/19] ceph: send altname in MClientRequest Jeff Layton
2021-03-26 17:32 ` Jeff Layton [this message]
2021-03-26 17:32 ` [RFC PATCH v5 14/19] ceph: make d_revalidate call fscrypt revalidator for encrypted dentries Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 15/19] ceph: add helpers for converting names for userland presentation Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 16/19] ceph: add fscrypt support to ceph_fill_trace Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 17/19] ceph: add support to readdir for encrypted filenames Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 18/19] ceph: create symlinks with encrypted and base64-encoded targets Jeff Layton
2021-03-26 17:32 ` [RFC PATCH v5 19/19] ceph: add fscrypt ioctls Jeff Layton
2021-04-06 15:38   ` Luis Henriques
2021-04-06 16:03     ` Jeff Layton
2021-04-06 16:24       ` Luis Henriques
2021-04-06 17:27         ` Jeff Layton
2021-04-06 18:04           ` Luis Henriques
2021-04-07 12:47             ` Jeff Layton
2021-03-26 18:38 ` [RFC PATCH v5 00/19] ceph+fscrypt: context, filename and symlink support Jeff Layton
2021-03-31 20:35 ` [RFC PATCH v5 20/19] ceph: make ceph_get_name decrypt filenames Jeff Layton
2021-04-01 11:14   ` Luis Henriques
2021-04-01 12:15     ` Jeff Layton
2021-04-01 13:05       ` Luis Henriques
2021-04-01 13:12         ` Jeff Layton

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