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authorChristian Brauner <brauner@kernel.org>2023-01-13 14:49:18 +0300
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-01-19 11:24:27 +0300
commit011e2b717b1b921d3706a9d48ff83a025563e826 (patch)
tree110d1a5d8e54ff5f5e2f3a9176fbe598594c9ee4 /fs/ramfs
parente18275ae55e07a2937e48134589c2f4c1d99a369 (diff)
downloadlinux-011e2b717b1b921d3706a9d48ff83a025563e826.tar.xz
fs: port ->tmpfile() 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/ramfs')
-rw-r--r--fs/ramfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 2ca68aa81895..ba14f18bd1e5 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -145,7 +145,7 @@ static int ramfs_symlink(struct mnt_idmap *idmap, struct inode *dir,
return error;
}
-static int ramfs_tmpfile(struct user_namespace *mnt_userns,
+static int ramfs_tmpfile(struct mnt_idmap *idmap,
struct inode *dir, struct file *file, umode_t mode)
{
struct inode *inode;