linux-kernel - [PATCH v4 05/14] ceph: allow idmapped symlink inode op

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Message-Id: <20230607180958.645115-6-aleksandr.mikhalitsyn@canonical.com>
Date:   Wed,  7 Jun 2023 20:09:48 +0200
From:   Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
To:     xiubli@...hat.com
Cc:     brauner@...nel.org, stgraber@...ntu.com,
        linux-fsdevel@...r.kernel.org,
        Christian Brauner <christian.brauner@...ntu.com>,
        Jeff Layton <jlayton@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>, ceph-devel@...r.kernel.org,
        Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 05/14] ceph: allow idmapped symlink inode op

From: Christian Brauner <christian.brauner@...ntu.com>

Enable ceph_symlink() to handle idmapped mounts. This is just a matter
of passing down the mount's idmapping.

Cc: Xiubo Li <xiubli@...hat.com>
Cc: Jeff Layton <jlayton@...nel.org>
Cc: Ilya Dryomov <idryomov@...il.com>
Cc: ceph-devel@...r.kernel.org
Signed-off-by: Christian Brauner <christian.brauner@...ntu.com>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
---
v4:
	- call mnt_idmap_get
---
 fs/ceph/dir.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index aaae586de4de..5025b570683d 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -956,6 +956,7 @@ static int ceph_symlink(struct mnt_idmap *idmap, struct inode *dir,
 	req->r_num_caps = 2;
 	req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL;
 	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	req->r_mnt_idmap = mnt_idmap_get(idmap);
 	if (as_ctx.pagelist) {
 		req->r_pagelist = as_ctx.pagelist;
 		as_ctx.pagelist = NULL;
-- 
2.34.1