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authorChristian Brauner <brauner@kernel.org>2023-01-13 12:49:11 +0100
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-01-19 09:24:02 +0100
commitc1632a0f11209338fc300c66252bcc4686e609e8 (patch)
tree0a17d3844bb4fbdabc565f022a8da3bed1fe361a /fs/hfsplus
parentabf08576afe31506b812c8c1be9714f78613f300 (diff)
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fs: port ->setattr() to pass 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/hfsplus')
-rw-r--r--fs/hfsplus/inode.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 840577a0c1e7..00b242f6574a 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -246,13 +246,13 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
return 0;
}
-static int hfsplus_setattr(struct user_namespace *mnt_userns,
+static int hfsplus_setattr(struct mnt_idmap *idmap,
struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
- error = setattr_prepare(&init_user_ns, dentry, attr);
+ error = setattr_prepare(&nop_mnt_idmap, dentry, attr);
if (error)
return error;
@@ -270,7 +270,7 @@ static int hfsplus_setattr(struct user_namespace *mnt_userns,
inode->i_mtime = inode->i_ctime = current_time(inode);
}
- setattr_copy(&init_user_ns, inode, attr);
+ setattr_copy(&nop_mnt_idmap, inode, attr);
mark_inode_dirty(inode);
return 0;