diff options
| author | André Almeida <andrealmeid@igalia.com> | 2025-08-14 14:22:17 -0300 |
|---|---|---|
| committer | Amir Goldstein <amir73il@gmail.com> | 2025-09-23 12:29:35 +0200 |
| commit | 8a78f189756ac3bc8c1c326994ad7261885227bb (patch) | |
| tree | 2ef400f76164690239119e0d0da3c19e8d64aea1 | |
| parent | 1f7168b28f667c0920fd83151ae35ce593950663 (diff) | |
ovl: Set case-insensitive dentry operations for ovl sb
For filesystems with encoding (i.e. with case-insensitive support), set
the dentry operations for the super block as ovl_dentry_ci_operations.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
| -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) |