diff options
| author | Jeff Layton <jlayton@kernel.org> | 2025-11-11 09:12:52 -0500 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-12 09:38:36 +0100 |
| commit | e8960c1b2ee9ba75d65492b8e90e851d11e5f215 (patch) | |
| tree | 8c81470d1c608653d68138c6f11e025d5450f8f7 /net/unix/af_unix.c | |
| parent | c826229c6a82fe1fe7b7752692f87a881eb4b545 (diff) | |
vfs: make vfs_mknod break delegations on parent directory
In order to add directory delegation support, we need to break
delegations on the parent whenever there is going to be a change in the
directory.
Add a new delegated_inode pointer to vfs_mknod() and have the
appropriate callers wait when there is an outstanding delegation. All
other callers just set the pointer to NULL.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20251111-dir-deleg-ro-v6-11-52f3feebb2f2@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 768098dec231..db1fd8d6a84c 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1399,7 +1399,7 @@ static int unix_bind_bsd(struct sock *sk, struct sockaddr_un *sunaddr, idmap = mnt_idmap(parent.mnt); err = security_path_mknod(&parent, dentry, mode, 0); if (!err) - err = vfs_mknod(idmap, d_inode(parent.dentry), dentry, mode, 0); + err = vfs_mknod(idmap, d_inode(parent.dentry), dentry, mode, 0, NULL); if (err) goto out_path; err = mutex_lock_interruptible(&u->bindlock); |