From 61d29a288334960cd9f43df91e4fd632a7f6ad66 Mon Sep 17 00:00:00 2001 From: Marcel Braun Date: Mon, 25 May 2026 11:13:18 +0200 Subject: Increase reference count of source_mount when one of its files is mounted somewhere --- kernel/src/filesystem/mount_table.cpp | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'kernel/src/filesystem/mount_table.cpp') diff --git a/kernel/src/filesystem/mount_table.cpp b/kernel/src/filesystem/mount_table.cpp index 26828b4..af8434b 100644 --- a/kernel/src/filesystem/mount_table.cpp +++ b/kernel/src/filesystem/mount_table.cpp @@ -22,6 +22,11 @@ namespace kernel::filesystem { m_mounts.push_back(mount); + if (auto source_mount = mount->source_mount()) + { + source_mount->increment_ref_count(); + } + if (auto mount_dentry = mount->mount_dentry()) { mount_dentry->set_flag(dentry::dentry_flags::is_mount_point); @@ -46,7 +51,16 @@ namespace kernel::filesystem return operation_result::has_child_mounts; } - mount->mount_dentry()->unset_flag(dentry::dentry_flags::is_mount_point); + if (auto source_mount = mount->source_mount()) + { + source_mount->decrement_ref_count(); + } + + if (auto mount_dentry = mount->mount_dentry()) + { + mount_dentry->unset_flag(dentry::dentry_flags::is_mount_point); + } + m_mounts.erase(mount_it); return operation_result::removed; } -- cgit v1.2.3