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[v3,07/10] ext4: Configure dentry operations at dentry-creation time

Message ID 20240111225816.18117-8-krisman@suse.de
State Not Applicable
Headers show
Series Set casefold/fscrypt dentry operations through sb->s_d_op | expand

Commit Message

Gabriel Krisman Bertazi Jan. 11, 2024, 10:58 p.m. UTC 
This was already the case for case-insensitive before commit
bb9cd9106b22 ("fscrypt: Have filesystems handle their d_ops"), but it
was changed to set at lookup-time to facilitate the integration with
fscrypt.  But it's a problem because dentries that don't get created
through ->lookup() won't have any visibility of the operations.

Since fscrypt now also supports configuring dentry operations at
creation-time, do it for any encrypted and/or casefold volume,
simplifying the implementation across these features.

Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
---
 fs/ext4/namei.c | 1 -
 fs/ext4/super.c | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index d252935f9c8a..3f0b853a371e 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1762,7 +1762,6 @@  static struct buffer_head *ext4_lookup_entry(struct inode *dir,
 	struct buffer_head *bh;
 
 	err = ext4_fname_prepare_lookup(dir, dentry, &fname);
-	generic_set_encrypted_ci_d_ops(dentry);
 	if (err == -ENOENT)
 		return NULL;
 	if (err)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c5fcf377ab1f..de80a9cc699a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5493,6 +5493,7 @@  static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
 		goto failed_mount4;
 	}
 
+	generic_set_sb_d_ops(sb);
 	sb->s_root = d_make_root(root);
 	if (!sb->s_root) {
 		ext4_msg(sb, KERN_ERR, "get root dentry failed");