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authorChristian Brauner <brauner@kernel.org>2023-01-13 14:49:13 +0300
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-01-19 11:24:25 +0300
commit6c960e68aaed335a0040f16654f3c5e5bfcf9249 (patch)
treec904d5109336fc0d205117643a95166dee54e58a /fs/affs/affs.h
parentb74d24f7a74ffd2d42ca883d84b7422b8d545901 (diff)
downloadlinux-6c960e68aaed335a0040f16654f3c5e5bfcf9249.tar.xz
fs: port ->create() 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/affs/affs.h')
-rw-r--r--fs/affs/affs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 8c98e2644a5e..31a56a461c9f 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -167,7 +167,7 @@ extern const struct export_operations affs_export_ops;
extern int affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len);
extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int);
extern int affs_unlink(struct inode *dir, struct dentry *dentry);
-extern int affs_create(struct user_namespace *mnt_userns, struct inode *dir,
+extern int affs_create(struct mnt_idmap *idmap, struct inode *dir,
struct dentry *dentry, umode_t mode, bool);
extern int affs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
struct dentry *dentry, umode_t mode);