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[v18,70/71] ceph: switch ceph_open() to use new fscrypt helper

Message ID 20230412110930.176835-71-xiubli@redhat.com
State Superseded
Headers show
Series ceph+fscrypt: full support | expand

Commit Message

Xiubo Li April 12, 2023, 11:09 a.m. UTC 
From: Luís Henriques <lhenriques@suse.de>

Instead of setting the no-key dentry in ceph_lookup(), use the new
fscrypt_prepare_lookup_partial() helper.  We still need to mark the
directory as incomplete if the directory was just unlocked.

Tested-by: Luís Henriques <lhenriques@suse.de>
Tested-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Luís Henriques <lhenriques@suse.de>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
---
 fs/ceph/dir.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
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Patch

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index fe48a5d26c1d..c28de23e12a1 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -784,14 +784,15 @@  static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		return ERR_PTR(-ENAMETOOLONG);
 
 	if (IS_ENCRYPTED(dir)) {
-		err = ceph_fscrypt_prepare_readdir(dir);
+		bool had_key = fscrypt_has_encryption_key(dir);
+
+		err = fscrypt_prepare_lookup_partial(dir, dentry);
 		if (err < 0)
 			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);
-		}
+
+		/* mark directory as incomplete if it has been unlocked */
+		if (!had_key && fscrypt_has_encryption_key(dir))
+			ceph_dir_clear_complete(dir);
 	}
 
 	/* can we conclude ENOENT locally? */