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authorChristian Brauner <brauner@kernel.org>2023-01-13 12:49:25 +0100
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-01-19 09:24:28 +0100
commitf2d40141d5d90b882e2c35b226f9244a63b82b6e (patch)
treebc259eb6a002166849f3aabdaa690f285140ce89 /fs/ntfs3
parentfs: port acl to mnt_idmap (diff)
downloadlinux-f2d40141d5d90b882e2c35b226f9244a63b82b6e.tar.xz
linux-f2d40141d5d90b882e2c35b226f9244a63b82b6e.zip
fs: port inode_init_owner() to mnt_idmap
Convert to struct mnt_idmap. Last cycle we merged the necessary infrastructure in 256c8aed2b42 ("fs: introduce dedicated idmap type for mounts"). This is just the conversion to struct mnt_idmap. Currently we still pass around the plain namespace that was attached to a mount. This is in general pretty convenient but it makes it easy to conflate namespaces that are relevant on the filesystem with namespaces that are relevent on the mount level. Especially for non-vfs developers without detailed knowledge in this area this can be a potential source for bugs. Once the conversion to struct mnt_idmap is done all helpers down to the really low-level helpers will take a struct mnt_idmap argument instead of two namespace arguments. This way it becomes impossible to conflate the two eliminating the possibility of any bugs. All of the vfs and all filesystems only operate on struct mnt_idmap. Acked-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Diffstat (limited to 'fs/ntfs3')
-rw-r--r--fs/ntfs3/inode.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 2a9347e747e5..8ce2616b087f 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1192,7 +1192,6 @@ struct inode *ntfs_create_inode(struct mnt_idmap *idmap,
struct ntfs_fnd *fnd)
{
int err;
- struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
struct super_block *sb = dir->i_sb;
struct ntfs_sb_info *sbi = sb->s_fs_info;
const struct qstr *name = &dentry->d_name;
@@ -1308,7 +1307,7 @@ struct inode *ntfs_create_inode(struct mnt_idmap *idmap,
goto out3;
}
inode = &ni->vfs_inode;
- inode_init_owner(mnt_userns, inode, dir, mode);
+ inode_init_owner(idmap, inode, dir, mode);
mode = inode->i_mode;
inode->i_atime = inode->i_mtime = inode->i_ctime = ni->i_crtime =