diff options
| author | dzwdz | 2022-07-07 19:24:42 +0200 |
|---|---|---|
| committer | dzwdz | 2022-07-07 19:24:42 +0200 |
| commit | bbdacaddcc25d1d137a0bb0781eba603641baa92 (patch) | |
| tree | 898ddd186d8e1def04e818b192a8c9b8d2721504 /src/init/fs | |
| parent | 8dc3d7df4c73b320fa84b2e871732276a7c6e20f (diff) | |
kernel/vfs: delegate support in _syscall_fs_respond!
this is big in terms of speed, it avoids a lot of unnecessary context
switches
Diffstat (limited to 'src/init/fs')
| -rw-r--r-- | src/init/fs/misc.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/init/fs/misc.c b/src/init/fs/misc.c index 7f0c1fb..b394c26 100644 --- a/src/init/fs/misc.c +++ b/src/init/fs/misc.c @@ -111,11 +111,11 @@ void fs_passthru(const char *prefix) { } else { ret = _syscall_open(buf, res.len, res.flags); } - _syscall_fs_respond(NULL, ret, 0); + _syscall_fs_respond(NULL, ret, FSR_DELEGATE); break; default: - fs_respond_delegate(&res, res.id, buf); + _syscall_fs_respond(NULL, -1, 0); break; } } @@ -139,11 +139,11 @@ void fs_whitelist(const char **list) { break; } } - _syscall_fs_respond(NULL, allow ? _syscall_open(buf, res.len, res.flags) : -1, 0); + _syscall_fs_respond(NULL, allow ? _syscall_open(buf, res.len, res.flags) : -1, FSR_DELEGATE); break; default: - fs_respond_delegate(&res, res.id, buf); + _syscall_fs_respond(NULL, -1, 0); break; } } @@ -183,15 +183,18 @@ void fs_dir_inject(const char *path) { if (buf[res.len - 1] == '/' && res.len < path_len && !memcmp(path, buf, res.len)) { + /* we're injecting */ handles[hid].inject = path + res.len; /* if we're making up the opened directory, disallow create */ if (ret < 0 && (res.flags & OPEN_CREATE)) hid = ret; + _syscall_fs_respond(NULL, hid, 0); } else { /* not injecting, don't allow opening nonexistent stuff */ - if (ret < 0) hid = ret; + + handles[hid].taken = false; + _syscall_fs_respond(NULL, ret, FSR_DELEGATE); } - _syscall_fs_respond(NULL, hid, 0); break; case VFSOP_CLOSE: |