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vfs: skip synced file systems in complete_sync 

Fixes #2606.
This commit is contained in:
Josef Söntgen 2018-01-10 13:27:31 +01:00 committed by Christian Helmuth
parent fb1c504568
commit 4009239328
1 changed files with 8 additions and 0 deletions
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8
repos/os/include/vfs/dir_file_system.h
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@ -55,6 +55,8 @@ class Vfs::Dir_file_system : public File_system
struct Subdir_handle_element : Subdir_handle_registry::Element
{
bool synced { false };
Vfs_handle &vfs_handle;
Subdir_handle_element(Subdir_handle_registry &registry,
Vfs_handle &vfs_handle)
@ -865,6 +867,7 @@ class Vfs::Dir_file_system : public File_system
auto f = [&result, dir_vfs_handle] (Dir_vfs_handle::Subdir_handle_element &e) {
/* forward the handle context */
e.vfs_handle.context = dir_vfs_handle->context;
e.synced = false;
if (!e.vfs_handle.fs().queue_sync(&e.vfs_handle)) {
result = false;
@ -884,9 +887,14 @@ class Vfs::Dir_file_system : public File_system
static_cast<Dir_vfs_handle*>(vfs_handle);
auto f = [&result, dir_vfs_handle] (Dir_vfs_handle::Subdir_handle_element &e) {
if (e.synced)
return;
Sync_result r = e.vfs_handle.fs().complete_sync(&e.vfs_handle);
if (r != SYNC_OK)
result = r;
else
e.synced = true;
};
dir_vfs_handle->subdir_handle_registry.for_each(f);