diff options
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 548ea9b1a48d..4ba2baff1b72 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -161,6 +161,16 @@ static const struct dentry_operations ovl_dentry_operations = { .d_weak_revalidate = ovl_dentry_weak_revalidate, }; +#if IS_ENABLED(CONFIG_UNICODE) +static const struct dentry_operations ovl_dentry_ci_operations = { + .d_real = ovl_d_real, + .d_revalidate = ovl_dentry_revalidate, + .d_weak_revalidate = ovl_dentry_weak_revalidate, + .d_hash = generic_ci_d_hash, + .d_compare = generic_ci_d_compare, +}; +#endif + static struct kmem_cache *ovl_inode_cachep; static struct inode *ovl_alloc_inode(struct super_block *sb) @@ -1345,6 +1355,19 @@ static struct dentry *ovl_get_root(struct super_block *sb, return root; } +static void ovl_set_d_op(struct super_block *sb) +{ +#if IS_ENABLED(CONFIG_UNICODE) + struct ovl_fs *ofs = sb->s_fs_info; + + if (ofs->casefold) { + set_default_d_op(sb, &ovl_dentry_ci_operations); + return; + } +#endif + set_default_d_op(sb, &ovl_dentry_operations); +} + int ovl_fill_super(struct super_block *sb, struct fs_context *fc) { struct ovl_fs *ofs = sb->s_fs_info; @@ -1360,7 +1383,7 @@ int ovl_fill_super(struct super_block *sb, struct fs_context *fc) if (WARN_ON(fc->user_ns != current_user_ns())) goto out_err; - set_default_d_op(sb, &ovl_dentry_operations); + ovl_set_d_op(sb); err = -ENOMEM; if (!ofs->creator_cred) |